Where this income then goes is unclear.

It is not clear that whether this is practicable.

However, it is not clear whether a General Assembly request is needed.

What caused the crash and the exact sequence of events remains unclear.

It is not clear for what reasons this information was not submitted.

The exact number of the practitioners is not known.

The intended end use of the helicopter parts is not clear to the Group.

It was not clear what the programme in environmental democracy was intended to achieve.

At present, the number of illegal immigrants carried by the inflatable boat is unknown.

The motive for their attack remains unclear, as are also the persons who ordered the attacks.

It remains unclear whether any proceedings were instituted by the judicial authorities in respect of that application.

Well, I'm not sure.

I don't know.

Don't know.

Don't know.

I'm not sure.

I don't know.

Not really.

The nature of the latter is not quite clear, but is believed to include explosions caused by hypervelocity impacts.

Not offhand.

I don't know.

I don't know, I'm sure.

You don't know?

Nobody really knows.

Don't know.

I don't know that much.

Not exactly.

Oh, I don't know.

Do you know who I Um, not exactly, no.

... rightthere.

Not till we get this settled.

It's not clear.

I don't really know.

I'm not really sure.

I'm not quite sure.

I have a slight idea.

I don't know a thing about it.

I don't know. I can't make it out quite.

I don't know, sir.

I don't know that one, either.

I could not hear the words.

Buzz off, Swanston.

I haven't the faintest idea.

I couldn't say exactly.

It's, uh...