Why wasn't another scenario of the diagram written as:
Thurs: L, H, Frid: H,L, Sat: L, G.

IF the diagram was written this way, then B would be correct too.

On page 481 of LR Strategy Guide - I was confused by the explanation of the incorrect answers and why (based on the previous reasoning) E was correct. If A-D are wrong because we don't know about all people - only those who are on the planning committee- why is E more provable? Couldn't some persons...

When do bridge ideas and defender ideas come into play? Are they a type of necessary assumptions, or a separate question type entirely?

I'm sorry if this is an obvious question, but how do we know that all windows can have a maximum of 4 spots? I understand that if Y is in one window we can't have G or O so wouldn't at least one window only be able to have 3 spots?

I understand why D is correct but I initially tried to negate it to "parents' ratings of the shows ... DO NOT coincide closely with the educational psychologists views of the show..." and in doing that, it doesn't destroy the argument. If the conclusion is: If psychologists' views are soun...