The group of front desk clerks assigned to work the afternoon shift CANNOT include

brs146 on March 5, 2023

Please explain how to arrive at the restriction in the answer choice

I don't understand how the relationship was inferred.

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Emil-Kunkin on March 7, 2023

We know that H must be with exactly one of P or T. However, if H is with S in the afternoon, then H is not with either P or T, so this cannot happen. Since we need to have more in the morning than in the night, we must have two morning, two afternoon, and two night if we are to have two in the afternoon.