You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Input: Consider Input: Sentence1: Yes as long as its in the same area and price range. I need a reference number too then please Sentence2: I'm looking for a cheap restaurant in the west area. Sentence3: I was unable to book that, would you like me to try something else? Sentence4: Okay that is all I need for now. Sentence5: I was able to get you into Thanh Binh. Your reference number is CLIBOL1Q . Sentence6: Let's go with La Margherita. Could you book a table for 2 people at 13:30 on Saturday? Sentence7: Thank you and goodbye. Sentence8: You have your choice of La Margherita, which serves Italian food, or Thanh Binh, which offers vietnamese cuisine. Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Thank you, good bye. Sentence2: Sure. It's in the centre on Station Road. Anything else? Sentence3: The cityroomz is a 0 star hotel in the moderate price range. It is in the centre of town. Would you like me to book it for you? Sentence4: Is the cityroomz a guesthouse? That's what I'm looking for. Sentence5: Yes, can you book that for me for 5 people and 4 nights? I need it on Sunday. Sentence6: Have a wonderful time, good bye. Sentence7: You know what, the hotel will actually work for me. Can you tell me where Cityroomz is located? Sentence8: How about two night? Sentence9: No, Cityroomz is a hotel. The City Center North B&B or the El Shaddai are 0 star guesthouses. Sentence10: Sorry, that booking wasn't available. Maybe another day or a shorter stay would work? Sentence11: Could you help me find a 0 star hotel? Sentence12: That worked. Your reference number is YZMQ4JNN . Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: What is the price of the fair and could you tell me what is the arrival time into Peterborough? Sentence2: The price is 16.50 pounds and the train will arrive in Peterborough by 13:56 Wednesday. Would you like me to book a ticket for you? Sentence3: I'd like to go to peterborough and leave after 12:45, I have to attend a meeting beforehand. Sentence4: I booked you one seat on TR1879 departing Cambridge for Peterborough on Wednesday at 13:06, Reference: xu1qlhvw . Can I help further today? Sentence5: You're welcome, I hope you enjoy your time in Cambridge! Sentence6: Yes, one ticket please, can I also get the reference number? Sentence7: The Broughton House Gallery is located at 98 King Street, postcode cb11ln. Their phone number is 01223314960. Is there anything else you need? Sentence8: TR1879 leaves at 13:06 on Wednesday. Will that work for you? Sentence9: I am also looking for a museum in centre. Could you give me the address, postcode and phone number of one? Sentence10: There are 5 trains out of Cambridge on Wednesday. Do you have a departure time in mind? Sentence11: I need to take a train out of Cambridge, I will be leaving town on Wednesday. Sentence12: That's all I need right now. Thanks, you have been very helpful! Question: Who has spoken the sentence 11? (A) User (B) System
Output: Answer: (B) System