If the only message Pasquale left is the fifth message, then which one of the following could be true?

Ella October 3, 2023

Theodore?

Why do you know that Theodore has to leave a message? There is no rule that states he must leave one if Pasquale does.

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Emil-Kunkin October 4, 2023

We know that T must be in from the contrapositive of the first two rules.

If T is out, that forces F out, and if F is out, that forces G out.

However, we cannot have three out. That means there would only be three people left to fill the six slots, which is banned by the first two rules.