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

Q: Sentence1: Unfortunately, I am not seeing any 4 star hotels that are moderately priced in the centre. We could try a cheaper hotel or a guesthouse? Sentence2: Sure do. Their address is fulbourn, postcode cb15dh. Phone number is 01223295264, and entrance is free. It's a museum on the Eastside. Sentence3: Nevermind. Do you have info on gallery at twelve a high street. Sentence4: Thank you very much for your help, have a nice day. Sentence5: Thank you, enjoy your stay in cambridge. Sentence6: Of course. We have so many attractions! What part of town will you be in? Sentence7: I will be visiting Cambridge soon and can't wait to see some of your local attractions. I do need your help with some information. Sentence8: I'm sorry, but there are no cheap hotels in the center of town, either. The only cheap hotel is on the west side. Sentence9: How about in the cheap price range? Sentence10: I have two options. Would you prefer a hotel or a guesthouse? Sentence11: I need a 4 star room in the centre please. Sentence12: A hotel in the moderate price range. Thank you! Question: Who has spoken the sentence 4? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: We have 13 trains meeting your criteria. Do you have any idea how early you want to leave? The first train leaves at 11:32 and then every hour after that Sentence2: Are there any cheap options in the centre of town? Sentence3: We can take care of that too, but let's get your restaurant squared away first - in order to provide an address I'll need to know what type of cuisine? Sentence4: Whichever one you think is best please. Sentence5: to cambridge from broxbourne. i need to leave after 11:15 please Sentence6: Where will you travel too and from? Sentence7: Thank you for using the Cambridge TownInfo centre. Goodbye. Sentence8: excellent. I will need the train booked for 5 as well. Sentence9: It has been booked. You reference number is UCICW103 . Sentence10: I recommend the Dojo Noodle Bar. They're located at 40210 Millers Yard, City Centre. Sentence11: I will be traveling on Sunday. Sentence12: Hi. Can you help me find a restaurant? Sentence13: and what day will you be traveling on? Sentence14: The train should leave broxbourne after 11:15 so the 11:32 is a good choice. There are 5 of us traveling together. Please book. Sentence15: There are a lot of options in Cambridge. Can you please be more specific? Sentence16: Yes, there are chinese, asian oriental, indian, italian, spanish, portuguese, modern europe, and mediterranean available. Sentence17: Great. Thank you so much. Sentence18: Can I have the address? I am also looking for a train that leaves on Sunday to Cambridge. Question: Who has spoken the sentence 16? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: You are booked for the Pizza Express. Your reference number is G6O0PMU6 . Sentence2: Good day. I'm headed into town and I need help finding a guesthouse that offers free wifi please Sentence3: thank you that will be all Sentence4: Okay, i'll try it out! Book me for 6 people, 2 nights starting this monday. Sentence5: I would refer in the center and as long as it's moderate pricing. Sentence6: There are two pizza express locations in the centre. One in Regent Street City Centre and the other in Jesus Lane Fen Ditton. Would one of those work for you? Sentence7: The area doesn't matter, but I would like it to be in the moderate price range. Sentence8: Have a good visit! Sentence9: Your booking was successful! Your reference number is M2YEYUTC . Is there anything else I can help with? Sentence10: Four great options in the north and one in the east, I suggest the Acorn. Sentence11: there are 5. which side of town do you prefer? Sentence12: Yes, let's go for the one in Regent Street City Centre. It will be on Monday, at 19:15, and there will be 6 people. Sentence13: Okay, I can help with that. What is your price range and what area would you like to stay in? Sentence14: Thank you. Yes, I also need to find a moderately priced Italian restaurant. Question: Who has spoken the sentence 1? (A) User (B) System

A:
Answer: (B) System
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