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.


It's better for the woman to wear a costume.