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

Ex Input:
Sentence1: Yes, one ticket is fine. Sentence2: Hi I need to get to Cambridge by 5:30 PM. Is there a train for that? Sentence3: Nope, that's it! Thanks! Sentence4: Thank you for using our service. Have all of your needs been met? Sentence5: You're welcome. Good-bye. Sentence6: And you would like to book just one ticket, is that correct? Sentence7: I will be departing from Norwich on Wednesday. Sentence8: There are multiple options that will get you to Cambridge by 5:30pm. Could you please tell me where you will be departing form and what day you are traveling? Sentence9: TR0033 departs Norwich at 15:16 and will arrive in Cambridge at 16:35 (4:35p.m.). Would you like a ticket on that train? Sentence10: The trip is 79 minutes. Sentence11: That's all thank you Sentence12: Great. I have you on that train and your reference number is Y1XTHTJA . Is there anything else I may help you with today? Sentence13: Thank you for the information! Sentence14: That would be fine. How long is the trip? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I have two indian restaurants in the east, and one each in the north and west. Where do you want to dine? Sentence2: I've successfully booked your table. The reference number is GK41EYSD . Sentence3: I would like to go to a nice nightclub Sentence4: I need a restaurant that serves Indian food in the moderate price range Sentence5: Yes. I would like a reservation for 1 person at 13:15 on Thursday. Sentence6: No thank you, that is everything that I need. Sentence7: We have ballare that's night, it's in the city centre. Sentence8: Okay, what is the address and entrance fee for it? Sentence9: Thank you and enjoy your stay. Sentence10: Ballare is Heidelberg Gardens, Lion Yard, postcode cb23na and the entrance fee is 5 pounds. Is there anything else I can help you with? Sentence11: I am also going to need a taxi that goes from Ballare to Meghan and gets me to Meghan by 13:15 for my reservation. Sentence12: I would like the one in the west. Sentence13: OK, I have a grey skoda taxi booked for you. The Contact number is 07058412849. Is there anything else I can help with today? . Sentence14: Meghan is in that area and serves Indian food would you like to make a reservation Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Hi. I am looking for a train going to Cambridge on Thursday. Can you help me? Sentence2: No, I need a train that departs from stansted airport and it should leave after 11:30. Sentence3: Booking was successful for Thursday for one night. Your reference number is : GMAAU9LE . Can I help you with anything else today? Sentence4: I'm sorry but I was unable to book that hotel with your exact details. Would you like to book on another day or for a shorter stay? Sentence5: I'm also looking for a particular hotel. The name is Leverton house. Sentence6: The travel time on that route is 28 minutes. Is there anything else I can help you with? Sentence7: Train TR2775 departs from london kings cross. Sentence8: No, you have been a great help. Thank you and goodbye! Sentence9: Please. I'd like a room for myself, I'll be checking in on thursday and would like to stay for two days. Sentence10: Thank you, and please remember you can contact us at any time if you need any further assistance! Have a great day! Sentence11: Okay, try for one night instead please. Sentence12: The first train to Cambridge from the airport after 11:30 is TR9775, leaving at 12:24 and arriving in Cambridge at 12:52. Will that work? Sentence13: I think so. What exactly is the travel time on that one? Sentence14: Would you like me to make a booking for you? Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:

Answer: (B) System