Answer the following question: Read the following conversation and answer the question. M: Hey, Susan. You're good at remembering things, aren't you? W: Yeah, I guess so. Why? M: I'm always forgetting things. Last week I went to the bank for some money, and I forgot to take it out of the machine. When I remembered and went back, the money was gone. Besides, I couldn't remember where I parked my car. W: That's pretty bad. M: Can you give me some advice on ways to improve my memory? W: Not really. You'd better just let me drive you to the bank next time. Question: What is the man having trouble with? - Money. - Driving. - Memory.
Answer:
Memory.