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

Q: Sentence1: Thanks, can I also have the phone number and postcode? Sentence2: I'm sorry this happened to you, I really hope that the police are able to help. If there is anything else I can do for you don't hesitate to ask. Sentence3: Yes, the postcode is CB11JG and the phone number is 01223358966 Sentence4: I've been robbed and need the police. Sentence5: Great, thank you for your help. I don't need anything further. Sentence6: Okay, the police station is located at Parkside, Cambridge. Question: Who has spoken the sentence 5? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: If you can go ahead and recommend one and provide me with the phone number and address please. Thanks so much. Sentence2: I would like to book a train to Leicester that leaves on Saturday. Sentence3: That's all for today. Thank you for your help! Sentence4: Would you like to book a seat on TR1832? It will leave at 15:21 and arrive at 17:06, 105 minutes later. It will cost 30.24 pounds. Sentence5: sure, there are several in that area. including art galleries and history museums. Sentence6: Yes, do you have a certain time you'd like to leave or arrive by? Sentence7: broughton house gallery is located at 98 King Street and their phone number is 01223314960. Do you need anything else? Sentence8: Thank you for calling today. Sentence9: I'd like to leave after 15:15 please. Sentence10: In the centre, please Sentence11: Booking was successful, the total fee is 30.24 GBP payable at the station. Your reference number is VHWYUF80 Sentence12: What area are you interested in? Sentence13: i also want to check out some museums while i'm in town. Sentence14: Yes, can you please book that for me and send me a reference number. Thank you Question: Who has spoken the sentence 12? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: I need a 4 star place that has free wifi. Sentence2: Any particular area you would like to stay? Sentence3: Would you like to try allenbell? Sentence4: No thanks. Go ahead and book the train for 4 people and please provide the reference number. Sentence5: I don't really have a preference. Sentence6: i dont mind either. Sentence7: Thank you that is all I needed. Sentence8: Leaving Cambridge this coming Sunday. Sentence9: I'm sorry, we don't have any trains arriving by 17:15. The earliest train will arrive at london kings cross at 19:51. Do you need anything else? Sentence10: I have 21 trains that match your request. Where will you be departing from? Sentence11: Okay! What price range would you like? Sentence12: We have seven places, any preference on price or rating? Sentence13: You're welcome. Have a great day! Sentence14: Ok. We've narrowed to 6 options. Do you want parking? Sentence15: I need to find a train going to londons kings cross that would arrive by 17:15 Sentence16: Thank you. I also need to find a place to stay. Sentence17: I have made those reservations and the reference number is I4K0OYPF . Sentence18: In the East part of town, please. I need free WiFi. Sentence19: No parking is not a concern of mine. Sentence20: Your booking was successful, the total fee is 75.52 GBP payable at the station . Your reference number is : UMS71SR7 . Your train will leave at 19:00. Sentence21: Okay! Would you like to stay in a hotel, or in a guesthouse? Sentence22: Yes, please book me for 4 people, for 5 night starting on Tuesday. Question: Who has spoken the sentence 15? (A) User (B) System

A:
Answer: (B) System
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