"You'd have to ask them individually because they wouldn't acknowledge any collective position on the topic.  If all of them gave the same answer, some of them would probably change theirs to avoid being that uniform about it."

"You'd have to ask them individually because they wouldn't acknowledge any collective position on the topic.  If all of them gave the same answer individually, and they found that out, some of them would probably change theirs to avoid having a collective position."