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

Ex Input:
Sentence1: I meed a moderately priced place to stay. Sentence2: There are 3 guesthouses that meet those requirements I recommend warkworth house. Would you like me to book it for you? Sentence3: I am also looking for a train. Sentence4: I have a train that arrives in cambridge by 18:07. It would be helpful to know your destination so I can serve you better. Sentence5: The train should leave from bishops stortford and go to cambridge and arrive by 19:30. Sentence6: I'll be happy to help you with that. What day would you like to travel and where would you like to depart from? Sentence7: I would like to stay in the east. It should have a 4 stars and I would also like free wifi please. Sentence8: Booking was successful. Reference number is : FGTT1OBZ . Is there anything else I can help you with today? Sentence9: thank you i think you should prepare before departure thank you Sentence10: I have found a list of hotels with a moderate price range, what area, type, star of the hotel would you like? Sentence11: I need to leave from Bishops Stortford the same day I arrive at the hotel. I need to arrive close to 19:30. Sentence12: Yes, please! 5 of us will be staying for 3 nights, and we're arriving on Friday. Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: You're welcome, have a great day. Sentence2: What city are you departing from? Sentence3: Thanks. Can you also look up information on Lovell Lodge hotel? Sentence4: Thank you for the info, that will be all. Sentence5: Can you give me the day you are traveling? Sentence6: I'm leaving on Saturday. May I please have the travel time? Sentence7: i'm leaving from cambridge Sentence8: Can you help me find a train arriving by 12:45 going to birmingham new street? Sentence9: Travel times for all trains on that route are 163 minutes. The TR2576 would get you to Birmingham New Street at 11:44. Sentence10: The Lovell Lodge hotel is located in the north that is 2 stars. It has moderate pricing, free internet and parking. Their phone number is 01223425478. Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: Ok, how about bedouin which serves African food and is in the center of town? Sentence2: I need a restaurant in centre and in the expensive prince range Sentence3: Booking was successful, the total fee is 151.19 GBP payable at the station . Reference number is : 3EF4MBB7 . Sentence4: Your reference number is A69RQEJA . The table will be reserved for 15 minutes. Sentence5: Great. Please go ahead and book it. Sentence6: Sure. I have a number of trains available. what day and time do you prefer? Sentence7: We have a wide variety of restaurants in the centre. Is there a particular type of food that you'd like? Sentence8: You are very welcome. let us know if you need anything else. Sentence9: Yes, please make a booking for 4 people. Sentence10: TR8080 arrives at 13:06, does that work for you? Sentence11: I don't have a preference, I just want to book a table for 4 at 11:15 on Thursday, anywhere is fine. Sentence12: Thanks so much. Good bye! Sentence13: This Thursday, and I would like to arrive by 14:00. Sentence14: I would like to take a train from Cambridge to Leicester. Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:
Answer: (B) System