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 have the TR4849 train leaving Ely at 13:35 on Monday. Sentence2: How about cityroomz? It is located in the centre of the city, is moderately priced, has 0 stars, and has free wifi. I think it would be perfect ofor you! Sentence3: Perfect, could you also assist me in finding a place to stay? Sentence4: What will be my arrival time in Cambridge and what is the ticket price, please? Sentence5: You're welcome. Have a great day. Good bye. Sentence6: You are booked and your reference number is QUJQMRK7 . Can I help you with anything else? Sentence7: That is everything, thank you for your help. Sentence8: From where will you be departing? Sentence9: I'm looking for a train that goes to cambridge, leaving after 12:30 on monday Sentence10: I am leaving from Ely. Sentence11: Oh I'm not picky on the area. I definitely need free wifi, moderate price, and 0 stars though. Sentence12: That's perfect I need it booked for 8 people for 5 nights starting on Monday. Sentence13: I sure can. What area would you like to stay? Sentence14: The price is 4.40 pounds. You will arrive at 13:52. Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Kymmoy is in the centre of town and the phone number is 01223 311911. May I help you with anything else? Sentence2: Thank you, I have all I need. Goodbye! Sentence3: What is the phone number and area? Sentence4: Is there any expensive restaurants in town serving Australian food? Sentence5: You're welcome. Thanks for your call! Goodbye. Sentence6: Kymmoy is an expensive asian oriental restraunt in town. Sentence7: I'm sorry, there are no Australian restaurants. Would you like another type of food? Sentence8: How about asian oriental food? Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: i want to leave after 13:00 Sentence2: Your all set, the total fee is 16.5 GBP payable at the station . Reference number is : EEJF27IZ . Bye! Sentence3: There are 38 trains that can get you there, what time would you like to leave or arrive by? Sentence4: A single ticket costs 16.50 pounds and total travel time is about 50 minutes. Will that be all today? Sentence5: Yes I'm looking for a train that departs on Wednesday from Peterborough. Sentence6: I would like to go to Cambridge. Sentence7: The TR5003 train leaves Peterborough at 13:48. I can book you a seat on it if you'd like. Sentence8: I changed my mind can you book that for me please? Sentence9: And where will the destination be? Sentence10: I don't need a ticket right now, but could you tell me the travel time and price? Question: Who has spoken the sentence 3? (A) User (B) System


Output: Answer: (B) System