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: The autumn house is a cheap guesthouse located in postcode cb58rs. The phone number is: 01223575122. Are you sure I can't help you with a reservation? Sentence2: I am unable to book you for that time. Would you like a different day? Sentence3: There are 7. Would you like to stay in a guesthouse, or a hotel? Sentence4: No thanks. I just need the price range, postcode and phone number. Sentence5: Awesome, thanks for your patience and thank you or visiting cambridge. Sentence6: I am a big fan of British food. Do you have an expensive one in the east? Sentence7: Monday just became available so I booked it before someone else does. Let me know if that won't work for you. The table will be reserved for 15 minutes. Reference number is : CAMFOFY8 Sentence8: are there any expensive restaurants? Sentence9: I need to find a place to sleep on the east side, it doesnt matter is the parking is free or not. Sentence10: How about 12:00? Sentence11: Could you try Wednesday? Sentence12: That isn't available either. Would like to try a different time of day? Sentence13: I'd recommend the Autumn House. It's a guesthouse in the east. Would you like to book a room? Sentence14: Yes the are some in the East,what type of food do you like ? Sentence15: Great!! Thank you so much. That's all I need today. Sentence16: I think a guesthouse would be more personal. Sentence17: there are no russian restaurant in the east Sentence18: The Grafton Hotel Restaurant is a British restaurant in the East area, would you like me to book it for you? Sentence19: No thank you. Could you tell me about Russian restaurants in the east? Sentence20: Yes please book it for Monday at 12:00 for 4 people please. Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Thank you for your help. Sentence2: do you have one with a star of 4? Sentence3: You're welcome, and have a great day. Sentence4: yes please tyhat you for all your help Sentence5: OK, you have 7 tickets reserved on TR6939. Total due at the station will be 116.2GBP. Your reference number is OK7WYTNQ . Sentence6: Try either one of the cheap ones, I need one that can hold my group of 7 for 5 nights on tuesday. Sentence7: Yes, I'll need 7 tickets. Sentence8: I also need a place to stay. 2 star is my preference. Sentence9: I would like to arrive in Cambridge by 08:45. Sentence10: We have 10 different trains on that day. Do you prefer a particular time? Sentence11: No, thank you. That will be all. Sentence12: TR6939 is your best option. It will leave at 05:39 and arrive at 07:07. Would you like to book passage on that train? Sentence13: In the west part of town. The price doesn't matter. Sentence14: the cambridge belfry was the best match for a large group so I booked you there, the reference number is X33MYBK5 , may I assist with anything else? Sentence15: Have a great time. Sentence16: I do. We have three options. Two that are cheap and one that's expensive. Do you have a preference? Sentence17: I need help finding a train. Can you do that? Sentence18: I don't have any 2 star hotels in that area. Would you like a different area or a higher rated hotel? Sentence19: Okay, do you need a reference number? Sentence20: Of course. Where are you traveling to? Sentence21: I would like to leave Liverpool street on Tuesday and arrive in Cambridge. Sentence22: okay, what area and price range? Question: Who has spoken the sentence 15? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I'd like to leave after 11:45 on Thursday, please. Sentence2: Do you have a particular type of cuisine in mind? Sentence3: There's a train scheduled on Thursday from Peterborough to Cambridge, leaving at 11:19 and arriving at 12:09. Will this work for you? Sentence4: I recommend Restaurant Two Two. It is a French restaurant in the north. The telephone number is 01223351880. Would you like me to book a reservation? Sentence5: The next train departs Peterborough on Friday at 05:19 and scheduled to arrive in Cambridge by 06:09. Do you want a different departure time? Sentence6: Thank you so much for your help. Sentence7: Thank you. Yes, I do need a place to dine. I would like an expensive restaurant in the north. Sentence8: What type of food is it? Sentence9: Yes, I can hear them. How else can I help you today? Sentence10: I need a train from peterborough going to cambridge. Can you help me? Sentence11: With our schedule, we can only go on a train that leaves after 11:45. Is there one leaving later? Sentence12: That sounds great. Can you please book 7 tickets on that one? Sentence13: There is a train that leaves at 12:19 will that work? Sentence14: Happy to help, goodbye.. Sentence15: Any type is fine. I'd also like the phone number of the restaurant. Sentence16: Booking was successful. Reference number is 3854SJZ8 . Do you need help with anything else? Sentence17: Thank you. I missed that before. Screaming kids, you know. Sentence18: As mentioned before they are French. Question: Who has spoken the sentence 14? (A) User (B) System


Output: Answer: (A) User