You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: I have 23 places. What area would you prefer to be in? Sentence2: There is Cafe Jello Gallery in the west, Cambridge Artworks in the east and Broughton House Gallery in the centre. Does any of those sound appealing? Sentence3: Just the price range and postal code please. Sentence4: Cafe jello gallery postcode is cb30af and the entrance is free, is there anything else I can do for you? Sentence5: Here is the address 529 Newmarket Road Fen Ditton. Sentence6: Do you have an attraction type preference? Sentence7: You're welcome! Enjoy your visit! Sentence8: that is it. thank you for helping me Sentence9: Yes, I would like to see a museum. Can you tell me the postcode and entrance fee for it? Sentence10: I have no particular area preference. Can you list a few for me to select from? Sentence11: Yes could I have their postcode and entrance fee? Sentence12: Can you give me more information about Yu Garden. Sentence13: Of course! It is a chinese cuisine restaurant located in the east. Anything else you would like to know? Sentence14: I am traveling to Cambridge and excited about seeing local tourist attractions, can you help? Sentence15: I am also looking for the restaurant Yu Garden. Sentence16: Their price range is expensive and the postcode is cb58pa. Are you sure that is all you needed? Question: Who has spoken the sentence 13? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: They are quite expensive . Sentence2: I want a restaurant in the south part of town and serves panasian food. Sentence3: Sorry what type of food do they serve? Sentence4: Thank you, goodbye! Sentence5: Sorry, there are no restaurants in the south part of town serving panasian food. Sentence6: They serve italian food. Sentence7: Frankie and Bennys serves Italian food in the south part of town. The phone number is 01223 412430, and the postcode is C.B 1, 7 D.Y. Sentence8: Thank you for your help. Good bye. Sentence9: italian food please. phone number and postcode please. Sentence10: what is the price range ? Question: Who has spoken the sentence 1? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: I'm sorry. There is not one in the cheap range. I do have 2 in the moderate range. Would you be interested in one of those? Sentence2: They both have free parking. Would you like to book at Ashley hotel or Lovell lodge? Sentence3: Can you help me find a hotel that has free wifi? Sentence4: It doesn't matter. The Ashley is fine. Sentence5: Sure, but can I get one that also has free parking? Sentence6: I would like something cheap in the north part of town. Sentence7: I'm glad I could help! Sentence8: There will be 6 of us arriving on Sunday, and we need to stay for 4 nights. Sentence9: You have a reservation. The confirmation code is GDEFC2RE . Sentence10: Thank you, that is it bye. Sentence11: I need to know when you'd like to begin your stay, how many are in your party, and how many nights you'd like reserved. Sentence12: Sure, there are 9 hotels with free wifi. Is there an area of town or price range you prefer? Question: Who has spoken the sentence 2? (A) User (B) System

Answer:
Answer: (A) User