Pick which sentence is not logical.\nOptions:\n- Sentence A: "Three people ate dinner and one of them was a vegetarian."\n- Sentence B: "One person ate dinner and three of them were vegetarians."\n
Please answer the following question by reasoning step-by-step.
Sentence B
If only one person was eating dinner, there could not have been three vegetarians.

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So, the final answer is Sentence B