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: There are no architectural attractions anywhere in town? Sentence2: Alexander bed and breakfast is available, would that work for you? Sentence3: from what day should i book? Sentence4: Yes, I am looking for an expensive place to stay that includes free parking. Sentence5: Sure, that sounds good. Could you give me the information on All Saints Church? Sentence6: All saints church is listed as architecture, would you like to go there? Sentence7: I could not find any attraction that match your request. Can I look for museums? Sentence8: I'm just looking for something that is a guesthouse in the cheap price range. Sentence9: Sure! I have a few places in mind, but can you tell me if you prefer a particular area? Sentence10: No that was it. Thank you so much for your help. Sentence11: It is in the centre located at Jesus Lane and the entrance is free. Their phone number is 01223452587 and the postcode is cb58bs? Anything else I can help with? Sentence12: Starting Thursday. Sentence13: I'm looking for any type of architectural attractions in town. Do you have any recommendations? Sentence14: You have a room booked for Thursday. Reference number is U3DO9AJP . Can I help with anything else? Sentence15: Thank you and goodbye. Sentence16: can you book for 4 people 5 nights and get me the reference number please? Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: You're welcome, have a great day. Sentence2: I also need a train ticket. Sentence3: Booking was successful, the total fee is 115.5 GBP payable at the station . Reference number is : U0JGF786 . Sentence4: Yes, please book for 7 people, and give me the reference number. Sentence5: Hi, I'm looking for a theater. Sentence6: ADC Theatre in the centre is nice. Would you like the address? Sentence7: The train should arrive by 19:00 and should depart from cambridge. Sentence8: I'd be happy to help you find a train. Where would you be departing from and where would we be going to? Sentence9: Not especially, could you give me a recommendation? Sentence10: What time would you like to arrive or leave? Sentence11: I have a train leaving Cambridge at 5:06 and arriving to Peterborough at 5:56. The price is 16.50 pounds per ticket, would you like me to book it? Sentence12: Yes, please. Also, what is their phone number? Sentence13: Do you have a location preference? Sentence14: Awesome, thanks a lot. That's all I needed today. Sentence15: The phone number is 01223300085 and the address is on park street, postcode cb58as Sentence16: I will be going to Peterborough from Cambridge. Hoping to leave on Monday. Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: A and B guest house might fit your needs. Would you like me to book it? Sentence2: i'd like to suggest to you cityroomz Sentence3: Lets try Hakka,can you book a table for 8 people at 16:30 on tuesday? Sentence4: Thank you! I'm looking for a place to stay in the moderate price range. Sentence5: I would recommend either Hakka or The Hotpot. Would you like for me to book a reservation for one of these restaurants? Sentence6: There are 17 Chinese restaurants. Are you looking for any particular area or price range? Sentence7: I'd actually like a hotel instead of guesthouse and in the centre of town. Sentence8: I'd like it to be in the north, and expensive would be best. Sentence9: Hi there, can you help me find a good Chinese restaurant? I seriously need some egg rolls. Sentence10: It is booked! Your table will be reserved for 15 minutes and your reference number is VWDBTAYR . Question: Who has spoken the sentence 2? (A) User (B) System
Output: Answer: (A) User