LSAT 77, Logic Game 4, Question 21, LSATHacks

LG Game 4 Question 21 Explanation, by LSATHacks

In this game, we can figure almost everything out in the setup. Here’s the main diagram:

This question makes Kwon a leader for one committee. The only committee where that’s possible is Y. If we do this, then N can’t be in Y, because N needs to be leader. So Y looks like this:

This has no impact on the other committees. So only committee Y is fully determined. B is CORRECT.