You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: I'm looking for a gastropub food restaurant in the centre of Cambridge please. Sentence2: I also need a taxi to get me between the two places. Sentence3: OK, I was able to book you at the Acorn Guest House. Your reference number is YBGSWXEJ . Can I help you with anything else? Sentence4: You are welcome, enjoy your stay! Sentence5: Nah, I'll get that later. Can you book a table there, though? 3 people on Sunday at 15:30. Sentence6: The reference number for you dinner reservation is 7E3EL1IG . What area of town would you like to stay in? Sentence7: My favorite is The Slug and Lettuce. It is expensive though. Can I get you an address for it? Sentence8: Could you please do that? Sentence9: I just need to find a hotel for Sunday for 3 people. The stay should be two nights. Please give me the reference number too. Sentence10: Which place will you be leaving from? Sentence11: Yes I can, I have booked a table for 3 people for Sunday at 15:30 at the Slug and Lettuce. Can I help you with anything else? Sentence12: I don't really have a price range in mind. What's your favorite place? Sentence13: You are set, look for a red tesla, their contact number is 07587955465, any further questions today? Sentence14: Yes, I also need a place to stay with free parking. Sentence15: I want to make sure it gets me to the restaurant for the reservation from the hotel. Sentence16: Sure what price range are you looking for? Sentence17: Sure thing. I can work on getting that booked for you. Sentence18: That is great. Thank you for your help. Question: Who has spoken the sentence 2? (A) User (B) System
Output:
Answer: (A) User