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 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

Answer: Answer: (B) System


Question: Sentence1: I would like a restaurant serving swedish food in the north part of town. Sentence2: I don't care. Sentence3: What is the address, phone number, and price range? Sentence4: I'm sorry but there are no Swedish serving restaurants in that area. Would you like to expand your search? Sentence5: Thank you goodbye. Sentence6: City Stop Restaurant is an expensive restaurant on the North side of town. Sentence7: The Royal Spice restaurant has a cheap price range. Sentence8: Is there a restaurant on the North side of town? Sentence9: How about indian food? Sentence10: it's address is Victoria Avenue Chesterton, and phone number is 01733 553355. Sentence11: There are several restaurants in the north part of town. Do you have a preference of price range or type of food? Sentence12: Good bye. Question: Who has spoken the sentence 2? (A) User (B) System

Answer: Answer: (A) User


Question: Sentence1: Alexander B and B is one of our higher rated guesthouses in the centre of town. It is 4 stars, but is surprisingly cheap. Can I get you any specific information? Sentence2: I need to know more about the Alexander bed and breakfast. Sentence3: I would like to make a booking for book it for 5 people and 3 nights starting from wednesday. Sentence4: It's an expensive Indian restaurant in the west part of town at 31 Newnham Road Newnham. Their phone number is 01223461661. Your reference number is 1ETONEKW . Sentence5: Thank you that is all I need today. Sentence6: Great. Thanks for all your help! Sentence7: Yeah, anytime let us know if you need anything else. Sentence8: I need information on India House, a restaurant. I need to book for 5 people at 16:45 for Wednesday, please. Sentence9: Happy to be of service. Enjoy your meal and your time in Cambridge! Sentence10: Yes, I can book it now. Sentence11: Hi, I'm the supervisor, I have taken over for the rep, my apologies, you booking is set, the reference number is VY2TZJWT . Can I help with anything else? Sentence12: Is there a reference number associated with the booking? Question: Who has spoken the sentence 2? (A) User (B) System

Answer:
Answer: (A) User