[Moderator note: It appears this explanation mixes up the order of some of the questions. Notes have been added to indicate which question the explanations correspond to.] K,L,M,N,O,P,R (7) Possible game distributions: A) 2-1-1-1-1-1 L O or B) 2-2-1-1-0 L O Note: with B) the years 2001 and 2006 mus...

That doesn't actually apply to the conclusion unless you incorrectly apply it from the wrong side of the conditional statements involved (sufficient to necessary instead of vice versa). Bottom line, you've negated it twice, which is incorrect. Just change one part. Here's how I think about this one...