I believe the correct answer is - A counterclaim is an opposing idea or opinion.
In an argument, or a debate, the first speaker is going to say what he or she thinks, and then you can present your own rebuttal. This rebuttal is formally known as a counterclaim - if you don't agree with the first speaker's ideas, you can present your own, which are usually opposing.
He was a private person and he didn’t wanna get into to much details about his teachers or who they were.
Hope this helps :)
"During the shop’s peak hours – from eight in the evening till around midnight – one could hardly hear oneself talk because of the boisterous chatters that went on."
Is this for an assignment?