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

[Q]: Sentence1: i want some mexican food. Sentence2: Dojo Noodle Bar serves asian oriental food and is located in the centre of town. The price range is cheap. Sentence3: The phone number for dojo noodle bar is 01223 363471. Would you like any other information? Sentence4: I don't care. Sentence5: You're welcome. Goodbye. Sentence6: We have four Asian oriental restaurants in centre. What price range do you prefer? Sentence7: What is the phone number? Sentence8: No, thank you, that's all I need. Thank you and goodbye! Sentence9: The only listing for Mexican food is Chiquito Restaurant Bar. How else may I assist you? Sentence10: I want a restaurant in the centre and serves asian oriental food? What is the phone number? Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: The trip is 49 minutes. Sentence2: Thanks so much. And yes, could you possibly point me to some entertainment in the town centre? Sentence3: Fantastic. May I have the postcodes for those museums as well? Sentence4: I'm looking for a train from cambridge to stevenage. Sentence5: Unfortunately there isn't anything in the town centre that's entertainment, do you have an alternate preference or area you'd like? Sentence6: I can get you tickets for friday. The train departs the station at 05:21, is that time suitable for you? Sentence7: Thanks, that's all I need today. Goodbye! Sentence8: Is there anything else I can help you with? Sentence9: Can I get the addresses of both? Sentence10: Are there any museums in the centre? Sentence11: Castle galleries is at unit su43, grande arcade, saint andrews street. Primavera is at 10 king s parade. Sentence12: How long is the trip? I might like to leave somewhat later. Sentence13: Okay, I've booked you 6 tickets on train TR2515, which leaves at 05:21 and arrives at 06:10 in Stevenage. Your reference number is 1RMGSH2B . Can I help you with anything else? Sentence14: Castle Galleries is cb23bj and Primavera is cb21sj. Sentence15: There are 11 museums in the centre. Would you like to visit the Castle Galleries or Primavera perhaps? Both are free. Sentence16: Excellent. Book it for 6 people and I'd like to arrive before 12:45. Question: Who has spoken the sentence 11? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I would like an expensive Indian restaurant in Cambridge please, the area is not important. Sentence2: I'm sorry but there are no restaurants that serve crossover food. Would you like to choose something different? Sentence3: Can you help me find a very expensive place to eat that serves crossover food? Sentence4: I would like to leave by 24:30. Sentence5: Thank you. I will need a taxi to get from the restaurant to the boat. Can you book that for me? Sentence6: What time would you like to leave and arrive? Sentence7: If you would like a suggestion, there is a nightclub called the Club Salsa that is always a very popular venue in the centre of town. Would you like more info? Sentence8: How about scudamores punting co, it's a gorgeous boat. Address is granta place, mill lane, postcodecb21rs, phone number 01223359750. Sentence9: What interests you: museums, architecture, theater, cinema? Sentence10: I recommend The Golden Curry in the centre. Would you like me to book a table for you there? Sentence11: No, anything but a night club. What else can you recommend in the centre area? Sentence12: We love our indian food in cambridge, there are 14 restaurants to choose from. Did you have a location in mind to help narrow it down? Sentence13: How about an Indian restaurant? Sentence14: I enjoy all of those. Could you make me a recommendation? Sentence15: That will be all, thank you for your help. Have a great day! Sentence16: My pleasure, enjoy your stay! Sentence17: Okay, I've booked you a grey volkswagen and the contact number is 07525319116. Is there anything else I can help you with today? Sentence18: No at this time. I'm also looking for attractions in the centre area. Question: Who has spoken the sentence 13? (A) User (B) System
[A]:
Answer: (B) System