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

Example 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
Example Output: Answer: (A) User

Example Input: Sentence1: that is great! thank you for all your help. Sentence2: I need help finding an expensive restaurant in the centre, can you help me please? Sentence3: Thank you for calling and have a great day. Sentence4: I have found the backstreet bistro and the slug and lettuce, which one would you like more information on? Sentence5: Yes both are in the expensive price range Sentence6: I'd love to help. We have 33 expensive restaurants. Do you have a cuisine you'd prefer? Sentence7: Do anything of them serve gastropub food? Sentence8: I want to book a table for 4 people at 16:15 on a Tuesday please. Sentence9: Can I have the munber in your party and the day and time you would like to book? Sentence10: Great! Here is the address, 34 - 35 Green Street. Sentence11: Okay I was able to book you then at The Slug and Lettuce and your reference number is FSOF58OO . Sentence12: Yes, I'm looking for gastropub food. Sentence13: Thank you so much. That is all I need. Sentence14: Any one will be fine. I need the reference number please after its booked. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: That sounds great. Thank you so much for your help. Sentence2: i need to leave after 12:45 on Monday Sentence3: I'd be happy to help with your request, first I will need to know what day/time you'd like the reservation for. Sentence4: That will be all. Thank you for your help. Goodbye. Sentence5: How about TR6110 that leaves at 13:00 Sentence6: You're welcome, have a great day! Sentence7: Reference number is : VQFAZJU3 . What else may I help with? Sentence8: It is a chinese restaurant in the north part of town located at 66 Chesterton Road Chesterton Sentence9: Hello, I am looking for a train to leave on Monday after 12:45. Sentence10: Thanks! For 17:45 on Monday, please. Sentence11: Yes, can you tell me about the Hotpot Restaurant? Sentence12: TR6110 has a total travel time of 51 minutes. Can I help you with anything else today? Sentence13: I don't need anything to be booked but I do need the train ID and the travel time. Sentence14: Can we narrow it down by choosing where you want to depart and arrive? Sentence15: How many people should I book for? Sentence16: Can you please book me a table at the restaurant for 2 people? Question: Who has spoken the sentence 6? (A) User (B) System
Example Output:
Answer: (A) User