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 am planning a trip in Cambridge. I'm looking for a train. Sentence2: no, that is all. Thanks, goodbye. Sentence3: It will cost you 17.90 Sentence4: Where are you departing from? Sentence5: I would suggest this one the golden curry. Sentence6: your all set! Reference # is TKNF8H2H . Anything else today? Sentence7: I am departing from Broxbourne and I would like the train to arrive by 10:00. What is the price for this? Sentence8: sure what day are you traveling? Sentence9: Have a great day. Sentence10: Please book that one for 8 people on Friday at 17:00. Sentence11: No thanks. I just need the price per ticket. Sentence12: The TR5570 train will work. Would you like me to book you passage? Sentence13: Okay thank you, I'm also looking for an Indian restaurant in the east that is expensive. Sentence14: I plan to travel on friday. Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Howdy, I'm looking for a place to stay. I don't care about internet. Sentence2: I booked you at city centre north b and b. Your reference number is Y87Q565O . Do you need anything else? Sentence3: How about the worth house? It is a 4 star guesthouse and has free internet and free parking. Sentence4: You are so welcome. Enjoy your stay in Cambridge. Sentence5: Would you like me to book it for you? Sentence6: There are 33 hotels in Cambridge. What price range would you like, and what area? Sentence7: Yes and make it for Friday for 2 days, and 2 people. Sentence8: yes I like that one with the free wifi. Sentence9: I would like a cheap hotel in the north please. Sentence10: Thank you so much for your help. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I need a theatre in the centre of town. Sentence2: Sure, I also need a train that leaves from Cambridge and arrives by 16:45. Sentence3: Yes please book that for 2 people. Sentence4: The postcode is cb58as. Unfortunately, the entrance fee is unknown. Would you like the phone number so you can call them to ask? Sentence5: Sure, your reference number is LGM5AGUR . Is there anything else I can do for you? Sentence6: Of course, have a great day. Sentence7: Well, I need to arrive by 16:45, and want to depart from Cambridge. Does that one match my request? Sentence8: I found one that leaves at 05:21 would that work for you? Sentence9: Yes it does, it's train TR2025 if you'd like to book. Sentence10: No, I think that covers it all, thanks for your help. Sentence11: I would like to travel to Leicester on Sunday. Can you arrange this trip? Sentence12: I found four theaters. Would you like to try the ADC Theatre? Sentence13: That sounds good, I need the postcode and the entrance fee as well please. Sentence14: Adc theatre's phone is 01223300085. There are 819 trains departing cambridge. Could you be more specific on your destination and what day you'd like to leave on? Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:

Answer: (A) User