Please answer the following question: Dialogue: W: What is that sound? I can hear something coming from the back of the car. Can you hear it? M: Yeah, I can. Pull over by this gas station up ahead. I think I know what the problem is. I need new tires, anyway. Question: Why does the man ask the woman to stop the car? - They have engine trouble. - They need some gas. - They have a flat tire.
Answer:
They have engine trouble.