input question: M: You are fight, madam, the blue dress is better than the green one. What was said before this conversation????
output answer: F: This dress is much better, and the color is good.

input question: M: Maybe you should've taken it three times a day as you were told. What was said before this conversation????
output answer: W: You see I still have this pain in my back, this medicine the doctor gave me was supposed to make me feel better by now.

input question: M: Why didn't you buy one last year? What was said before this conversation????
output answer: W: The price of this kind of coat was only $ 200 last year. But now it is doubled.

input question: M: I have to go to New York. But if I have time, I'll meet you there on Friday. What was said before this conversation????
output answer:
W: If I go to Washington D.C, will you meet me there?