Come up with a question and reasoning that would justify this answer: Sentence B
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The question is: One of the following sentences is nonsensical. Which one is it?
Options:
- Sentence A: "Julie's birthday in on the 28th of February."
- Sentence B: "Julie's birthday in on the 30th of February."

Step-by-step reasoning process: There are 29 days in February in a leap year and 28 days every other year.

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