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I'm Lucy, and I'd be happy to answer your questions today. I'm sorry to hear that this happened.
Is there any sort of behavior or conduct standards listed in the lease? Or posted as rules and regulations for living in the dorm (and agreed to when she signed the lease)?
If she deletes the review, they can't make her leave, anyway. But I don't see how posting a review could be a lease violation in the first place, so she shouldn't have to do that.