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

[EX Q]: Sentence1: I'll take whichever one you recommend. I just need the phone number, postcode & address please. Sentence2: TR7786 will leave at 17:00, would that work for you? Sentence3: The travel time is 51 minutes. Can I help you with anything else? Sentence4: What time would you like to depart. I have anything from 5:00 to 23:00 Sentence5: Hello, can you help me find a train going to London Kings Cross? Sentence6: You're very welcome! I hope that you enjoy your time here! Thank you for contacting the Cambridge TownInfo centre. Sentence7: There are 3 restaurants that match what you're looking for, would you like me to book one for you? Sentence8: I would recommend the Ghandi. They are located at 72 Regent Street City Centre and can be reached at 01223353942, can I assist with anything else? Sentence9: I think that's everything I need. Thank you very much. Sentence10: Can I get the travel time for that as well? Sentence11: On Monday, from Cambridge. Sentence12: Yes, I apologize but can you give me the arrival time for train TR7786? Sentence13: Yes, please. Is there a restaurant with Indian food? Sentence14: Sure I can. The arrival time for that train is 17:51. Is there anything else I can do for you? Sentence15: I'd like to leave after 15:45, please. Sentence16: I want a cheap swedish restaurant in the centre, please. Sentence17: Sure! What day are you planning on leaving? Sentence18: I wasn't able to find a cheap swedish restaurant in the centre of time. Would you like me to try a different type of food? Question: Who has spoken the sentence 17? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Please contact the Parkside Police Station at 01223358966. Sentence2: Help me please, i just been robbed and don't know what to do. Sentence3: Thanks, that's all. Good bye. Sentence4: Thank you for using our services. Sentence5: The postcode is CB11JG. Do you need further assistance? Sentence6: Thank you, what's the postcode? Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Yes. I am looking for a theatre. Sentence2: The phone number is 01223300085. I have a perfect match for you, Hobsons House, located at 96 barton road. Do you need more information or do you want to book now? Sentence3: OK, I can definitely help you out, but I will need some more information from you first! Sentence4: Do you have Hobsons House phone number? Sentence5: Are you looking for an attraction? If so, what type, and where? Sentence6: How about the adc theatre located in the centre area at park street? Would you like more information on this theatre? Sentence7: Sure... the phone number is 01223304906. Would you like me to book this for you? Sentence8: You taxi is booked, its a white bmw and contact number is 07062462058 Sentence9: No thanks. I also need a taxi to commute between the two places. I want to leave the attraction by 03:45. Sentence10: I would like to look into more tourist information. Sentence11: Yes, can I have the phone number? I am also looking for a place to stay in the west, with a moderate price range, free parking, and a star of 3. Sentence12: thank you that will be all goodbye Sentence13: No problem, what would you like to know? Sentence14: Your welcome, have a nice day! Question: Who has spoken the sentence 11? (A) User (B) System
[EX A]:
Answer: (B) System