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: I'd like to find some place to go on the east side of town. Sentence2: Thank you. Have a good day, goodbye. Sentence3: I can certainly suggest something for you. I have 10 options. Do you prefer an entertainment venue, or perhaps a museum or park, etc? Sentence4: Sounds great. That's all I needed. Thank you! Sentence5: I would prefer just anything in the east, can you give me the address and attraction type of one? Sentence6: No problem. How does the Funky Fun House sound? It is standard entertainment and it is located at 8 mercers row, mercers row industrial estate. Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Does it have four stars? Sentence2: Not yet, but can you tell me what time the train arrives in Ely please? Sentence3: acorn guest house is located in 154 chesterton road should i book it for you? Sentence4: I would like to leave on Tuesday after 18:00. Sentence5: It arrives by 20:07! Anything else love? Sentence6: TR5511 leaves Cambridge for Ely at 20.07. Do you need tickets? Sentence7: I've booked your stay at the Acorn Guest House, and your reference number is IT07BRTC . Sentence8: The trip will last 17 minutes. Is there anything else you would like to know? Sentence9: Do you know what day or time you want to leave? Sentence10: Thank you for using Cambridge TownInfo centre. Please consider us for your future travel needs. Sentence11: I need some lodging accommodations. It needs to have free parking and Internet please! Sentence12: I would like someone to book me a place with free parking and internet. Sentence13: That should do it. Thanks so much for your help! Sentence14: I found 29 hotels matching your request. What price range and area of town would you prefer? Sentence15: Thanks a lot. Can you also help me find a train going to Ely? Sentence16: Yes. Please book it for 2 people for 4 nights starting Friday. Sentence17: Yes it does. Shall I book? Sentence18: What is the total travel time on that time? Question: Who has spoken the sentence 15? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: No, thank you. You have been very patient and helpful. Have a nice day. Bye. Sentence2: Okay that sounds great. Sentence3: Thank you so much for calling. It has been my pleasure. Have a great trip and a wonderful day. Goodbye. Sentence4: I don't have an area preference but it should have a star of 4 and have free parking. Sentence5: sure it is a guesthouse and the postcode is cb13js, anything else today? Sentence6: I'm sorry, I don't understand your response. Could you please verify from where you are leaving and where you are going? Sentence7: TR9999 leaves at 12:09, travel tine is 105 minutes, cost is 30.24 pounds per person. Any other questions, Sentence8: How many people and how many nights should I make the booking for? Sentence9: I need help finding a train from leicester to cambridge, departing on sunday after 11:45. No reservation, just need to know travel time, arrival time, and price please. Sentence10: its a guesthouse Sentence11: What sort of hotel is it? Guest house or hotel? Sentence12: Yeah, I'm hoping to find a cheap place to stay. Can you help with that? Sentence13: Yes please go ahead and book it. I'm also looking for a train. Sentence14: Would you like me to make a booking for you? Sentence15: cambridge, travel time, arrival time, and price please Sentence16: I just need the postcode and hotel type. Sentence17: You earlier mentioned you need train information. Starting from what city and ending at what city? Sentence18: That is all, thank you so much Sentence19: what's the postcode? Sentence20: Sure. How about the Allenbell? It is in the east and fits all of your needs. Sentence21: Of course! What part of town would you like to stay in? Sentence22: The postcode is cb13js. Would you like a reservation? Question: Who has spoken the sentence 14? (A) User (B) System


Output: Answer: (A) User