Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: You're welcome. Enjoy your stay Sentence2: That sounds good, I need the address, phone number and postcode. Sentence3: So sorry we have no multiple sports in the centre of town. Sentence4: I am looking for a place that has multiple sports in the centre of town. Do you have any suggestions? Sentence5: Yes they do have free parking. Would you like me to book a room for you at the Belfry? Sentence6: Yes, there are a few. I personally like Downing College on Regent Street. It is free. Sentence7: The address is regent street postcode cb21dq and the phone is 01223334860. Sentence8: I would prefer the cheaper one. Can you tell me if they offer free parking? Sentence9: No, thank you. That is everything I needed. Sentence10: Will it just be you staying or do I need to book other guests as well? Sentence11: Yes, I need you to go ahead and book that for me. I would like to stay for two nights starting on Sunday. Sentence12: Actually, just send me the address. Thank you. Sentence13: How about a college in the centre of town? Sentence14: Great, that's helpful, thanks. Can you also help us find a hotel? We'd like to stay on the west side, and we really dislike guesthouses. What can you recommend? Sentence15: I'm not quite sure yet, could I get the address there please? Sentence16: The address is back lane, cambourne. Can I get you anything else? Sentence17: the cambridge belfry is on back lane, cambourne, cb236bw. Their phone number is 01954714600. Can I help you with anything else? Sentence18: We have two hotels on the westside, the cheap Cambridge Belfry and the expensive Huntingdon Marriott. Which would you like? Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User