Given the question: Read the following conversation and answer the question. W: Would it be OK if I wore a costume for the rehearsal tomorrow? M: Oh you would regret it if you didn't. Question: What can we learn from the dialogue? - The man isn't sure about the rehearsal. - It's better for the woman to wear a costume. - The woman would regret it if she wore a costume.
The answer is:
It's better for the woman to wear a costume.