Question: Read the following conversation and answer the question.  W: Excuse me. What did you say you would like to do, Mr. Green?  M: I said I'd better go back to the hotel. I'm meeting someone this evening.  W: OK. How are you going back? By bus or taxi?  M: I think I'll take a taxi. Do you know where I can get one?  W: Oh, just wait by the roadside. I'll wait with you.  M: OK. Thanks. Are the taxis in London all yellow?  W: Well, some of them are. Is this your first time in London?  M: Yes, it is. Do you give extra money to taxi drivers here?  W: You mean a tip? Oh, yes. They usually expect about ten percent.  M: That's the same in my country.  W: Oh, look. Here's one. Taxi!  M: Thanks. See you tomorrow.  Question: Where are the two speaking?   - In the street.  - In a hotel.  - In a taxi.
Answer:
In the street.