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 is a restaurant called Thanh Binh. Would you like me to book a table? Sentence2: Yes i would like a table for 7 people on monday at 13:15 Sentence3: We would prefer vietnamese please. In the west area? Sentence4: How many tickets would you like me to book? Sentence5: The travel time is 49 minutes. Would you like to know any more info? Sentence6: Thank you, what is the arrival time? Sentence7: Your reservation has been set for Monday at 12:15 for 7 people. The reference number is 3MTLQCBA . Can I do anything else for you? Sentence8: I am leaving from Cambridge and headed to Stevenage. I would like to leave after 17:30 please. Sentence9: Just one ticket, please. Sentence10: Certainly. The train will arrive at 20:10. Can I help you with anything else? Sentence11: Can you tell me when that train will be arriving in stevenage? Sentence12: Alright, TR6692 looks like your best bet. Would you like me to book you passage? Sentence13: Thank you I also need a train on tuesday leaving after 17:30 Sentence14: I think that about does it. Thanks for the help today. Sentence15: I need to find a cheap place to eat. Sentence16: Booking was unsuccessful do you have any other preference? Sentence17: Can you try 12:15 on Monday? Sentence18: I've booked that ticket for you. The reference number is FTLHURXQ, and the total fee is 12.8 GBP. Sentence19: It was my pleasure to assist you. Thanks for using our service. Have a wonderful day. Goodbye. Sentence20: Yes. Please book that for me. Thanks so much! Sentence21: I can find that for you. What cuisine are you interested in? Sentence22: I would be happy to help with that. Can you tell me the departure city and where you are going? Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: That was helpful! Thank you goodbye. Sentence2: What type of information do you need? Sentence3: I need information to find the huntingdon marriott hotel. Sentence4: You are booked at express by holiday inn cambridge. Reference number: FGSTOTPY . Sentence5: Unfortunately, the booking was unsuccessful. Would you like for me to find another hotel for you? Sentence6: Do you need anything else? Sentence7: I need help finding huntingdon marriott hotel please. Could you book a room for me for 6 people on monday for 5 nights please? Sentence8: I suppose so. Another hotel in the same general price range, if you can. Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: We would like to enjoy some entertainment. Can you suggest something of this type? Sentence2: Yes I will need it for 7 people. Sentence3: No that's actually everything I needed. Thank you, goodbye! Sentence4: You're all set! The fee is 56.56 GBP and you can pay at the station. Your reference number is VWI4PRFE . Do you need anything else? Sentence5: The first train out after 11:30 leaves at 12:24. It arrives in Cambridge at 12:52. Would you like a ticket? Sentence6: Sunday I can leave any time after 11:30. Sentence7: Sure, what date and time would you like to travel? Sentence8: I need a train leaving from stansted airport. Sentence9: Is there a park? Sentence10: You're very welcome. Thank you and have a lovely day. Sentence11: I have lots to do in the center like, colleges, theater, cinema and architecture. Any preferences? Sentence12: There are clubs,can you ive me a idea of what you like ? Sentence13: Yes I need a place to go in the centre of town. Sentence14: The Cambridge university botanic gardens are lovely this time of year. The gardens are located on Bateman street. Do you want more information? Question: Who has spoken the sentence 9? (A) User (B) System


Output: Answer: (B) System