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: I am looking for a place to stay Sentence2: Sala Thong serves Thai food and is located at 35 Newnham Road, Newnham cb39ey. Their phone number is 01223323178. Can I help with a booking? Sentence3: Thank you! Good bye. Sentence4: There are a lot of guesthouses that meet that criteria. Do you want to stay in a particular area? Sentence5: let's book it for wednesday please. Sentence6: Yes. Where is a good expensive restaurant in the West area of town? Sentence7: What's the address, postcode and phone number of the thai restaurant? Sentence8: I think we're jumping way ahead of ourselves here. Let's start afresh. Please get me the address to the acorn and then we can proceed with getting a taxi Sentence9: There's british, european, indian, and thai. Sentence10: What day and time would you like me to reserve the restaurant for? Sentence11: No, I don't care about the location. I do want a 4 star place though. Sentence12: I'm looking for a guesthouse with free parking and free wifi. Sentence13: I will definitely be able to help you with that. Did you want a hotel or a guest house? Sentence14: Yes can you please book that for me? Sentence15: Can you give me some examples of the type of cuisine that is available? Sentence16: There are nine expensive restaurants in the west, is there a particular type of food that you are interested in? Sentence17: Thank you for calling Cambridge TownInfo centre. It was a pleasure to help you. Sentence18: The acorn guest house has a 4 star rating and is in the moderate price range. It is in the north area. Would you like to reserve a room? Sentence19: The address to acorn is 154 chesterton road. Sentence20: How many people will the booking be for and what time would you prefer the booking to be at? Question: Who has spoken the sentence 14? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Thank you. Could you please get me the phone number? Sentence2: Yes, I was wondering what the location is of Addenbrookes Hospital. Sentence3: no, that's all thanks Sentence4: That hospital is located on Hills Rd, Cambridge. Sentence5: Happy to help. Feel free to call back if any additional questions come up. Have a good day. Sentence6: The main hospital phone number is 01223245151. Were you looking for a specific department? Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I would recommend home from home, which is located in the north part of town at 78-80 milton road. Would you be interested in booking a room? Sentence2: Okay, I've booked your guesthouse for 2 days starting on Sunday. Your reference number is XYQCAGO8 . Is there anything I can help you with? Sentence3: Not really, but it should have 4 stars and be in a guesthouse. Sentence4: you are most welome Sentence5: That sounds great. I would like to book that for 3 people and 2 nights starting from Sunday. Sentence6: I need a palce to stay that has free wifi but in the moderate price range. Sentence7: There are 17 results. Can I narrow that down by a certain area? Sentence8: No, that is all I need today. Thank you. Question: Who has spoken the sentence 3? (A) User (B) System


Output: Answer: (B) System