Why is the answer C just because we don't have a sufficient condition of K? I get how we don't know anything about P because K is necessary, but why does that make it the right answer? In answer choice E it could also be correct since M and S do play golf together but we don't know their rankings. But since we don't know their rankings it technically could be true. Right? I just want an explanation of the difference between C and E and why C is more correct.
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Rule #5 states that if M plays tennis, S plays tennis and is ranked higher than M. However, (E) has both M and S playing tennis with M ranked higher than S. It is this mismatch in rankings that makes (E) invalid and incorrect.
Does that make sense? Please let us know if you have any other questions!
