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, I am also looking for places to go in town while we are visiting the area. Do you have anything of concert halls around the area? We love those. Sentence2: Yes, please, what is the phone number? Sentence3: I have that all booked for your stay. Your reference number for the room is ZUG88XKL . Is there anything else I can help you with? Sentence4: I am looking for a place to stay. It should be in a moderate price range and should be a star of 3. Sentence5: The phone number is 01223474144. Sentence6: Yes, I need a booking for 8 people for 5 nights starting Monday. Please include the reference number for the booking. Sentence7: Also the address to the man on the moon is 2 Norfolk Street. You have to call to inquire about the entrance fee. Have a Great day. Sentence8: We have one. The Man on The Moon. But it is located in the centre area of town. Would you like more information? Sentence9: Ok, perfect. Thanks! Sentence10: i have four results that match your request, do you need internet? Sentence11: I have the Hobsons House. It is a moderately priced guesthouse located in the west. Free wifi and internet. Can I assist you in booking a room? Sentence12: Internet is not necessary. But can you see if there is one in the west part of town and I would prefer a guesthouse. Question: Who has spoken the sentence 10? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Of course. The restaurant is on 152 - 154 Hills Road and their phone number is 01223413000. Sentence2: What other restaurants are in the same area and price range? Sentence3: I'm sorry. That booking was not available. Would you like to find another restaurant? Sentence4: No, could you just book a table for 3? I'd like it for Wednesday at 12:15. Sentence5: That sounds good book it for 3 on wednesday at 12:15 please and I'll need the reference number too Sentence6: Thank you and you too. Sentence7: Yes can I have the address and phone number please? Sentence8: I'm sure we can. Cambridge offers 31 moderately priced restaurants. What sort of cuisine would you like? Sentence9: There is the restaurant alimentum that serves modern european food? Sentence10: Great, that's all I needed. Have a lovely day. Sentence11: I have made a reservation for you at the restaurant alimentum on Wednesday at 12:15 for 3 people. Your reference number is LX2XAAF4 . Would you like their address? Sentence12: I would prefer Italian and it has to be in the south. Sentence13: Hi! Can you find me a moderately priced restaurant for my girlfriend and I? Sentence14: I found one restaurant with those credentials, it's Pizza Hut Cherry Hinton, would you like the address? Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I want to leave the restaurant by 17:00 please. Sentence2: I have 15 in the centre. Did you have a food type preference? Sentence3: What time would you like the Taxi? Sentence4: Their phone number is 01223334860, they are located at regent street, and their postcode is cb21dq. Sentence5: Your booking is complete. It will be a white honda and its contact number is 07316123574. Sentence6: Thank you! Hope you have a wonderful trip! Sentence7: Rice House sounds interesting, and I need some cheap egg rolls. What postcode is that place in? Sentence8: Can I get their phone number, address and postcode please? Sentence9: There are not. The only multiple sports center is located in the east. Would you like more info on it? Sentence10: I'd like a taxi to commute back and forth please. Sentence11: Sure. We have 13 colleges in the city centre. While many are free, some do have an entrance fee. Sentence12: The post code is cb12bd. They have amazing egg rolls! Sentence13: Thanks - I am also wondering if there are any multiple sports attractions in the city centre. Sentence14: There are three Chinese restaurants. They are charlie chan, rice house, and golden house. Does one appeal to you? Sentence15: How about a college type attraction in the same area as the restaurant then? Sentence16: Could you find me a cheap restaurant in the centre please Sentence17: I would say Downing college is the best. What info shall I provide you with concerning that place? Sentence18: Would you recommend one? Sentence19: Is there one that serves chinese food? Sentence20: Thanks a bunch. Have a great night. Take care. Bye. Question: Who has spoken the sentence 4? (A) User (B) System


Output: Answer: (A) User