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

[Q]: Sentence1: Thank you! That is all I need. Sentence2: You are very welcome! Sentence3: Yes, I'm calling regarding Addenbrookes Hospital. What is the address please? Sentence4: The Addenbrookes Hospital is located at Hills Rd, Cambridge Postcode CB20QQ. Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: what is your price range for that? Sentence2: you selected attraction can you please correct so I can search. Sentence3: Can you give me the postcode and address please? Sentence4: What is the address for Gonville and Caius College? Sentence5: I'm happy to be of help. Take care. Goodbye. Sentence6: Pizza Express is a moderately priced Italian restaurant in the center of town. Do you need more information? Sentence7: The gonville caius college would be a nice attraction. Could I get the address please? Sentence8: I would recommend gonville and caius college, that is a nice campus in the centre area and best of all, admission is free, would you like more info? Sentence9: I need some information on a place called Pizza express. Sentence10: Thank you. I look forward to the day in town. Goodbye. Sentence11: I don't care about that but I would like the address and area of the college I visit. Sentence12: Yes, I'm looking for colleges to see in town. Can you help me with that? Sentence13: It is located on trinity street. Sentence14: Of course. The postcode is cb21db and it is at Regent Street City Centre. Can I help you with anything else today? Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: can you give me more specifications on the hotel you need? Sentence2: Have a wonderful trip. Sentence3: How does the Allenbell sound? Would you like more information? Sentence4: You're welcome. Can I assist with anything else today? Sentence5: Thank you for your time. Sentence6: We got that booked for you. Your reference number is NBY8UOS8 . Sentence7: No. That is all. Thank you. Sentence8: I am also looking for a hotel. Sentence9: I need a train from Stevenage that would leave after 10:45. Sentence10: I would be travelling on Monday and heading TO Stevenage FROM Cambridge. I'm sorry, I stated that wrong the first time. Sentence11: I have successfully booked a seat on TR6930. The fee is 12.8 GBP and reference number is MWJYC3CD . Can I help with anything else today? Sentence12: I need the hotel for 6 people, 3 nights starting Friday. I also need a reference number Sentence13: THere is a train that leaves at 11:21 and then trains that leave every two hours after that. Does one of those sound best? Sentence14: A guesthouse with free parking would be great. Sentence15: Yes, I would like to take the one at 11:21. Can you give me the train ID, travel time, and price for that train? Sentence16: What day would you be traveling on? And where would you be heading to? Question: Who has spoken the sentence 3? (A) User (B) System
[A]:
Answer: (B) System