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: Id is TR0625, travel time is 79 minutes and you will arrive by 22:55. Anything else? Sentence2: Actually, could you help find a train as well? To Norwich? Sentence3: I found a train from cambridge to norwich at 05:36 on Friday, will that work? Sentence4: Sunday would be good. Sentence5: No, you've answered all of my questions. Thanks so much for your time. Bye. Sentence6: The Acorn Guesthouse is a 4 star hotel located in the north side of town. It includes free internet and parking. Would you like me to book it for you? Sentence7: I need to leave after 21:30, is there anything closer to that time? Sentence8: Thank you, and thanks again for using our free service. Sentence9: I am trying to find the Acorn Guest House. Sentence10: No, just leave after 21:30. Will you give me the travel time, arrival time and the Train ID? Sentence11: No, thanks. I will go ahead and book it myself. I think I have all the information I need. Thank you. Sentence12: Is there a time you need to arrive by? Sentence13: Yes there are 14 trains. Which day would you like to depart? Sentence14: Thank you for using our service, have a nice day. Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Yes as long as its in the same area and price range. I need a reference number too then please Sentence2: I'm looking for a cheap restaurant in the west area. Sentence3: I was unable to book that, would you like me to try something else? Sentence4: Okay that is all I need for now. Sentence5: I was able to get you into Thanh Binh. Your reference number is CLIBOL1Q . Sentence6: Let's go with La Margherita. Could you book a table for 2 people at 13:30 on Saturday? Sentence7: Thank you and goodbye. Sentence8: You have your choice of La Margherita, which serves Italian food, or Thanh Binh, which offers vietnamese cuisine. Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Will you check to see if there are any in the north? Sentence2: There are no 2 star hotels in the west part of town. Would you like to expand the search to 2 star hotels in other parts of the city? Sentence3: No. I am leaving from Cambridge to go to Broxbourne. Sentence4: Train TR0189 arrives at 18:01. Should I reserve tickets for that one? Sentence5: Yes, I am looking for a 2-star hotel in the west part of town. Sentence6: Ok and I need a reference number please Sentence7: I will be leaving from Cambridge. Sentence8: I have the lovell lodge it is located in the north and is moderately priced with 2 stars. Would you like to reservations there? Sentence9: I'm sorry,I'm confused. You are leaving from Cambridge to go to Cambridge? Sentence10: Sure please make a booking for 4 people. Sentence11: I'm looking for a train on Tuesday to arrive in Cambridge by 19:00, can you help me please? Sentence12: sure, for the same group of people on sunday Sentence13: Booking was successful, the total fee is 71.59 GBP payable at the station . Reference number is : V7H3P3G7 . anything else? Sentence14: Sure! Where will you be departing from? Question: Who has spoken the sentence 13? (A) User (B) System


Output: Answer: (B) System