These acoustic methods are now expected to be useful for the long-range remote sensing of schools of fish as well as for distant ocean bottom characterizations.
"School" is what is referred to in this article as a group of fish
A: Yes

Battle back<br>Sally had been sick for many weeks. She was feeling better. Her and a friend decided to go for a walk. It was great for Sally to get some fresh air. She felt much better after getting out of the house.
Sally kept all the fresh air to herself, preventing her friend from getting any while they were walking.
A: No

Well, I think during the campaign, particularly now during this difficult period, we ought to be speaking with one voice, and I appreciate the way the administration has worked hard to calm the tensions. Like the vice president, I call on Chairman Arafat to have his people pull back to make the peace.
Chairman Arafat needs to pull back his people during this difficult time.
A:
Yes