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. May I have a street address for the police station? Sentence2: welcome. at your service next time Sentence3: Thank you goodbye Sentence4: Certainly. Their address is Parkside, Cambridge. Can I assist you further? Sentence5: I want to know where I would find the Parkside Police Station. Could you tell me? Sentence6: Their postcode is CB11JG, you can reach them at phone number 01223358966. Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Yes I was able to locate 4. Can I book a table for you? Sentence2: Thanks so much! Sentence3: Is there anything else that I can book for you or assist you with for your upcoming trip? Sentence4: Are you looking for a Danish restaurant? Sentence5: Yes please in the same area and price range. Sentence6: For four, Thursday, 11:45. Sentence7: Booking unsuccessful. Would you like to try another restaurant? Sentence8: Thank you have a good day. Sentence9: Yes please. In the centre of town. Sentence10: Yes please,for tonight at 9 PM if possible. Sentence11: I will make a booking for you at hk fusion, but I do need to know what day and time you prefer, and for how many people. Sentence12: I am looking for an expensive Danish place. Sentence13: Is there an expensive chinese restaurant in the centre? Sentence14: I am sorry I have no listings for that type of restaurant, is there any other type of food you would like? Sentence15: Booked at ugly duckling. Reference number: EQFGNMFY . Table will be held for 15 minutes. Sentence16: That was all I needed today thank you! Question: Who has spoken the sentence 10? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Thank you very much. Goodbye. Sentence2: The only hospital in town is the Addenbrookes Hospital, would you like their phone number? Sentence3: The address for Addenbrookes Hospital is Hills Rd, Cambridge CB20QQ. Sentence4: I'm looking for the hospital in town. Sentence5: Yes and could I also have their postcode please? Sentence6: That is all I need. Thank you. Question: Who has spoken the sentence 4? (A) User (B) System
[A]:
Answer: (A) User