21.   As a major AIDS meeting ended here, researchers expressed hope Thursday that a recently discovered molecule might eventually lead to new ways to prevent the infection.

22.   As often as not these meetings end in exaggerated, comic-book violence.

23.   A nearly four-hour meeting Wednesday ended with no agreement between the ministry and an association of meat and bone meal producers.

24.   After the downstairs meeting ended, the students munched potato chips and lingered for an open discussion.

25.   Bush and the other leaders clearly wanted the meeting to end on a concordant note, but sharp differences were evident.

26.   Brahimi said he hoped the meeting would end in a week.

27.   But after the basement meetings ended, the relationships continued.

28.   But any hopes that the meeting might end the painful tug-of-war over the child seemed dim.

29.   But Arum refused to go along with that and the meeting ended.

30.   But they were satisfied that the summit meeting would end on a positive note.