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

Input: Consider Input: Sentence1: Can you verify that the hospital has a transplant high dependency unit? Sentence2: Can you help me find a hospital nearby? Sentence3: Yes, it does. Here is the unit's phone number: 01223216811. Do you need any other information? Sentence4: I would like the address and phone number please. Sentence5: No that is everything. Thank You Sentence6: Sure, the phone number is 01223245151 and the address is Hills Rd, Cambridge. Sentence7: The nearest hospital to you is at Hills Rd, Cambridge. would you like their phone number? Sentence8: Alright sounds good. I hope everything is okay. Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: 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

Output: Answer: (B) System


Input: Consider Input: Sentence1: What part of town were you interested in? Sentence2: It doesn't matter what part of town, If you have one you would recommend and let me know the entrance fee, that would be great. Sentence3: I 'm looking for a theatre in town. Sentence4: What does "currently unavailable" mean? Sentence5: Can you tell me if there is a time you want to leave by or arrive by? Sentence6: There will be 8 of us traveling, by the way. Sentence7: No, thank you. That's all I need this morning. Sentence8: The Cambridge Arts Theatre is located in the centre area. However, the entrance fee is currently unavailable. Sentence9: Not Available means I am not able to see the price of the entrance fee. Unfortunately all the theatre's are hiding there fee's. Anything else I can do? Sentence10: train tr9327 leaves at 13:06 and gets you there by 13:56. I have booked you 8 tickets. Reference number is : ZKGGRI1B Anything else I can do? Sentence11: I also need a train going from Cambridge to Peterborough on Sunday. Sentence12: OKay I will work on looking this up for you. Sentence13: Have a nice day, goodbye. Sentence14: I need to leave on Sunday and arrvie by 14:16. Question: Who has spoken the sentence 6? (A) User (B) System


Output: Answer: (A) User