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: Thank you goodbye. Sentence2: the cow pizza kitchen and bar is a moderately priced gastropub in the centre of town. It's located on Corn Exchange Street, and the phone number is 01223 308871. Sentence3: Can I have the address and phone number of a gastropub in the centre of town? Sentence4: There are three gastropub restaurants listed. One is in the east part of town and the rest are in the centre. Sentence5: I would like the address and phone number of the one in the east part of town. Sentence6: A moderate priced irish food restaurant. Sentence7: thank you and good bye Sentence8: there are no irish restaurants. Would you like to choose another type of food? Sentence9: I'm sorry, it appears there are no results for the east part of town. Our system is having difficulty of some sort. Sentence10: Yes, could you please check whether there is a gastropub? Question: Who has spoken the sentence 7? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: Of course. Their telephone number is 01223362525. Would you like any more information? Sentence2: TR1339 arrives at 24:07 and takes 38 minutes to arrive there. Sentence3: Thank you. I will also need to find a restaurant that serves Mediterranean food and should be in the expensive price range. Sentence4: What day and time are you leaving Cambridge? Sentence5: Sure, their address is Thompsons Lane Fen Ditton. Is there anything else I can help you with? Sentence6: nope. i think that is all. enjoy your day and stay out of the rain. bye Sentence7: La Mimosa is a great expensive Mediterranean restaurant in the centre. Would you like to book a table? Sentence8: You have a great day, too. Thanks for calling. Goodbye. Sentence9: What is the arrival time? Sentence10: TR1339 is leaving at 23:29 and it is priced at 10.10pounds. can i book? Sentence11: I'm leaving after 18:45 on thursday. Sentence12: I'd like some information on a train going to bishops stortford departing from Cambridge. Sentence13: No I would just like their telephone number please. Sentence14: Can I get their address please? Question: Who has spoken the sentence 2? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: I will be starting from Tuesday. Sentence2: I'm looking for a cheap guesthouse. Sentence3: No that is all, thank you! Sentence4: All set. Your reference number is ATMXXNQI . Sentence5: Would you like us to book a ticket for you? Sentence6: Before I can book it I need to know what day you will be staying? Sentence7: I have train TR2715 that leaves at 7:39 and arrives at 9:07. Sentence8: I also need a train for Tuesday that leaves London Liverpool Street and arrives in Cambridge by 16:15. Sentence9: Alright, have a lovely day! Sentence10: great, i have 9 options for you. Sentence11: Thanks! You're welcome, have a great day! Sentence12: Great. I need it for 7 for 5 nights. Sentence13: TR1395 arrives at 15:07. Sentence14: No, that's all I needed. Thanks! Sentence15: Would you like me to book anything else or provide anymore info? Sentence16: How about Finches Bed and Breakfast at 144 Thornton Road? Sentence17: I really prefer to stay in the west part of town. Do you happen to have anything in that area? Sentence18: Do you have a train less early? One that arrives around 16:15? Sentence19: great day and thanks for helping Sentence20: Thank you for your help. Question: Who has spoken the sentence 4? (A) User (B) System

Answer:
Answer: (A) User