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: I am looking for a train that will depart from Norwich on Sunday Sentence2: Sure thing! Your table is reserved. Your reference number is OY2LNXFW . Is there anything else I can assist you with today? Sentence3: I am traveling to Cambridge and would like to find a local restaurant. I want to arrive by train at noon. Sentence4: TR4202 is the one that leaves at 7:16 and it costs 14.08 pounds per ticket. Would you like me to book it for you? Sentence5: No, that will be all. Thanks! Sentence6: Hi there, let's start with the train arrival, where would you be travelling from? Sentence7: How about 7:16? What is the price? Sentence8: The copper kettle will be fine. Yes please book a reservation. Sentence9: Goodbye and have a good day. Sentence10: Yes that would be great. I am also looking for a place to dine for the night. Do you have any suggestions? Sentence11: Is the restaurant moderately priced? If so, please book a table for 5 at 18:00 and send me the reference number. Sentence12: My recommendation would be the Ugly Duckling, a Chinese restaurant in the centre of town. It is located at 12 St. Johns Street City Centre. Sentence13: No, I'm sorry the ugly duckling is in the expensive price range. The copper kettle serves british food and is moderately priced. Would you like a reservation for it? Sentence14: There are trains every hour on the :16 that will get you there by noon, beginning at 5:16. Which would you prefer? Question: Who has spoken the sentence 12? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I am sorry but you will have to get ticket there and here is the address 251a chesterton road. Sentence2: Do you want me to make a booking? Sentence3: I'm seeking an attraction! A boat one will be nice. Sentence4: Yes please! Thank you so much! Sentence5: Great! I have four for you. Two are in the centre. Any location you'd like in particular? Sentence6: Sure, I can get tickets for the cambridge punter in the city centre. If that sounds okay, what day and time would you like? Sentence7: I am also looking for the Oak Bistro, a place to eat. Sentence8: No, I'd like the name of one in the centre please. Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I'm looking for help regarding a car accident dispute I was in. Sentence2: Thanks, that is all I needed. Sentence3: You should contact the police at 01223358966. Sentence4: Thank you for using our services. Sentence5: The address to the polic is Parkside, Cambridge. Sentence6: What is their address? Question: Who has spoken the sentence 4? (A) User (B) System


Output: Answer: (A) User