I'm not sure how it happened.

I'm not sure

I'm not sure.

I'm not sure what I'm looking at.

Is it good? Is it bad? Is complexity better? I'm not sure.

Yes. I'm sure! Just change it!

I'm not so sure hitchhiking is dead.

I'm not sure if this is correct.

I'm pretty sure that's how it happened.

I'm not sure what Tom was talking about.

I'm not sure I am completely behind this.

I'm not even sure if this is my key.

And after that, I'm not sure what I'll do!

I'm sure he does not represent all the people of Iran...

And it really is hidden. I can't find it in this image, and I'm not sure you can.

I'm not even sure I want to see that movie.

I'm sure of his success.

Don't give up yet. I'm sure you can do it.

I'm not sure if I like this one or that one.

I'm sure you're mistaken.

I'm sure you're mistaken.

I'm sure you're right.

I'm sure you're right.

I'm sure you're right.

I'm pretty sure I can do it one way or another.

I'm sure I'll be fine.

I'm sure Tom is bored.

And many of you, I'm sure, have thought about that and puzzled over it.

I'm sure she will return soon.

We'll find a solution, I'm sure.

I'm sure I've seen him before.

Now if we look at the word competition, I'm sure most of you've used it.

But you think to yourself, I'm not quite sure what's wrong with this guy.

And I'm almost sure most of you have thought,

I'm sure Tom will be here soon.

I'm sure Tom will be here soon.

I'm sure I've seen him somewhere before.

I'm sure that Tom will do that.

I'm sure Tom would never do that.

There's so much wrong about this cartoon I'm not sure what the editor was thinking when he allowed it to be printed.

So basis of utilitarianism I'm sure you're familiar at least.

I'm sure that she will come back soon.

I'm sure Tom is planning to do that.

I'm sure Tom will tell us the truth.

I'm pretty sure that Sami can't speak Arabic.