Problem: M: It was worth neither the time nor the money. What was said before this conversation?

A: W: What do you think of the movie?
Problem: Given the question: M: I like the sport and I play often, but I never learned to play well. What was said before this conversation?
++++++++++++++++++++++++++++++++
The answer is:
W: Do you like to play badminton?
input question: W: Yes. Take the first turn on the left and the Bank of China is next to the bus stop. What was said before this conversation????
output answer: M: Excuse me. Is there the Bank of China near here?
M: It doesn't matter. I'll take it. The menu, please. What was said before this conversation?
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Answer: F: I'm sorry. This window table is taken, but No.3 is free.
Q: W: I haven't got any plans yet, why? M: There is an exhibition of Chinese paintings at the public library. Would you like to go with me? W: I'd love to, but when? M: How about Saturday morning? It's cooler in the morning and maybe less crowded. W: I'm afraid I can not get up early on weekends. I'd prefer Saturday afternoon. Believe me there won't be too many people. M: So, shall we meet at 2:00, Saturday afternoon? W: OK, that would be great. I'll be waiting for you at my home. What was said before this conversation?
A: M: Are you free on the weekend?
[Q]: W: A person has to write the code, test it to make sure it spreads properly and then release the virus. A person also designs the virus's attack phase, whether it is a silly message or destruction of a hard disk. M: So why do people do it? W: There are at least three reasons. The first is the same psychology that drives people to set fire with intention. The second reason has to do with the passion of watching things blow up. Many people have a fascination with things like explosions and car crashes. The third reason probably involves showing off rights. What was said before this conversation?
****
[A]:
M: What do people do when they create viruses?