dialogue: W: I'm feeling much better now, doctor. Can I stop taking the medicine? M: Hm... I'm glad you are a little better but you must continue to take the medicine for some days. Starting from today, you may take it three times a day instead of four, OK? W: All right. Thank you.
question: How often will the woman have to take the medicine?
choice: Four times a day. Twice a day. Three times a day.
answer: Three times a day.