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: Is there any Indian food on the west side of town. Sentence2: You're welcome. May I help with another query? Sentence3: Cocum is located at 71 Castle Street City Centre and their phone number is 01223 366668. Their price range is expensive. Sentence4: The price range doesn't matter. Sentence5: There are 6 Indian restaurants in the west part of town. What price range do you have in mind? Sentence6: There are no Hungarian restaurants in the west of town. Would you like to change your query? Sentence7: I would like a Hungarian restaurant in the west of town. Sentence8: Yes, but just for one. Sentence9: Would you like the name, address and phone number of a few of them? Sentence10: Goodbye. Sentence11: Thank you! Sentence12: Nope, I'm good. Thanks again. Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I'm sorry, I only know that it is moderately priced. Can I book a room for you? Sentence2: What is the price range? Sentence3: Is there a particular area of the city where you'd like to stay? Sentence4: No that's all. Thanks! Sentence5: Yes. There are a number of hotels with wifi. Archway House is one of them that I can recommend. Sentence6: You have a nice day. Good bye. Sentence7: Howdy! I'm in town for the night and need a place to stay. I'd like a four star joint with free parking, if you please. Sentence8: no that's fine. Sentence9: Nice! I hope you enjoy this beautiful city, I found 5 hotels for you. What is your price range? Sentence10: Is there anything else you will need today? Sentence11: Archway house is in the moderate price range. They are located at: 52 gilbert road. Anythign else you need? Sentence12: I have 16 guesthouses that are 4 star and have parking, do you have any other requirements to help narrow the search? Sentence13: I don't have a price range. As long as it's nice. Sentence14: Sure, what is its address and price range? Sentence15: Do any of those have free wifi? Sentence16: No, I don't care about the area, either. But do you have a guesthouse? Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: i will book you and get back to you, you are welcome Sentence2: We have 14 places matching your criteria. Lets narrow this down. Is there an area you prefer? Sentence3: King's Parade, cb21rh. Is there anything else you need to know? Sentence4: Perfect. That's all I need help with. Have a great day. Sentence5: You, too. Please call if you need anything else. Thank you for calling. Goodbye. Sentence6: Just the 4 of us Sentence7: There are quite a few for you to choose from. Did you have a particular area of town you would prefer to spend your time in? Sentence8: What time will you be traveling? Sentence9: Can I please get the reference number? Sentence10: No, I'm really not picky. j Sentence11: I'm traveling to Cambridge and looking for places to go. Are there any good colleges to see? Sentence12: Yes i need to book a taxi to leave the hotel by 22:00 and go to the attraction please. Sentence13: I would like to leave my hotel by 22:00. Would you mind getting the college address for me? Sentence14: The reference number is T8N3WK5T . Is there anything else I can help you with today? Sentence15: Yes, I would like to book it for 4 people for 5 nights starting from Tuesday. Sentence16: I'd be happy to help with that. May I ask if there is a price range or area you prefer? Sentence17: No, I just need help finding a place to stay. Sentence18: For how many people? Sentence19: Thank you, Yes, I will need a taxi from the Acorn Guest House to corpus christi college. I also did not get the college address. Sentence20: How about the Acorn Guest House? It is in the north area and has 4 stars with free internet and parking. Would you like for me to book it for you? Sentence21: The college address is king's parade cb21rh. The entrance fee is 2 pounds. Is there anything else I can get for you? Sentence22: No, any area will do. Can you recommend one? Sentence23: Your taxi has been booked. It will be a red Ford and the contact number is 07500369982. Sentence24: I sure can. How about corpus christi in town centre? Sentence25: Yes that sounds great. Can you give me the address for that college? Sentence26: I need a guesthouse in the moderate price range that includes free parking. Question: Who has spoken the sentence 20? (A) User (B) System


Output: Answer: (A) User