As yardsticks to measure the effectiveness of information retrieval there exist those called 'recall ratio' and 'precision ratio'.

The ticket holds good for three days.

She is still full of energy.

Vern never backed down.

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Christofer pressed his ear against the wall to see if he could hear what his parents were discussing in the next room.

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Sean should go to the gym.

The results were clear.

Would you tell her I'm ready?

Listen to me very carefully, OK?

The people could repel the invasion.

I cooled my heels for one hour outside his office.

The things that I bought haven't been delivered to me yet.

The largest continent on Earth is Asia.

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You are going to speak Swedish.

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Wes and Jean-Pierre confronted each other.

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He ranked fourth on a total of 56 runners.

Both her parents are dead.

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He repaired my watch for me.

Ian must've had time off last week.

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Stagger gave me a book.

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I did it last year.


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We just ate dinner.

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Laurence wished he had more time.


Actually, I did want to ask you one thing.

I cooked chick pea soup

If you want to speak English as fluently as me, you must learn as much as I did.

I might have mentioned it.

Seems I'm not alone in being alone.



Kevin deserves to be in prison.

Some musicians and actors hire security guards to help fend off their over-eager fans.

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I've got some packing to do.

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They have not less than ten children.

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Have you all met him recently?

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The boy has a newspaper.

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Sofoklis told me Marc wouldn't want to play volleyball with us.

They are examining him from top to bottom.


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If you had told me that in the first place, I wouldn't have done it.


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We'll be seeing you.

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We both can't be right.


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Margie put on his new shoes.

Two years have passed since he died.

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I met some friends while I was waiting for a bus.

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Jeffie wouldn't allow Gabriel to do that.

Dion is studying now.

I wonder who started that rumor.


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I was forced to accept his proposal.

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His policy puts the accent on national welfare.

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I asked Kristin to stop pounding on the wall.

If you didn't take it, who did?


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Kent realized that he hadn't paid the bill, so he went back into the restaurant.

Are you ready for tonight?

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He knew Uyghur well long before coming to Kashgar.

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The pale face troubled me a little.

Most people in Boston don't really care what happens.

Approximately 300 houses were built here last year.

I'll never leave you.

We made something wrong.


She isn't a good cook.

Let's ditch these people and go home.

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Do you want to learn or not?

What's the total population of France?

A lot of students around the world are studying English.

Earnie stared blankly.


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I think we're being followed.

I decided not to drink.


He stopped drinking alcohol.

His English is coming along pretty well.

His speech indisposed us to finish the work any more.

He handed in his resignation.

Can you lend me yours?


It's getting dark early around here. The sun seems to drop like a rock when autumn rolls around.


These are my briefs.

I was once like you.

I felt a little dizzy.

Leonard would fall from her chair if she were to find out how her so-called friends talk about her behind her back.

Brendan admitted that he was wrong.


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I guess you're about to find out.

My favorite song is Hungry Spider.

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He got very angry, for she refused to follow his advice.

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The whole town was in an uproar.

Let's get back inside.

I don't know what Kerry is plotting.

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Andre ate some peach cobbler.

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Leonard hugged Ariel from behind.

Calvin headed for the door.

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The train is in.

I can try to talk to Mahesh about the matter.

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I have a sweet-tooth.

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I can't take the chance.


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Barney must be getting tired of waiting.

When night came on, we returned home.


Didn't you tell Paul?