Critical Reasoning (CR) | Re: It is clear that none of the volleyball players at yesterdays office

I'm quite sure this is an LSAT problem, so it doesn't have huge applicability to most GMAT CR, for what that's worth.

The difference in C and D is the certitude of the information.

We are told basically "no volleyballs are at work today because all volleyball players are sunburned, and no one at work is sunburned."

So 'none of group x' has 'quality y' because 'all of x has
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