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 have the TR4849 train leaving Ely at 13:35 on Monday. Sentence2: How about cityroomz? It is located in the centre of the city, is moderately priced, has 0 stars, and has free wifi. I think it would be perfect ofor you! Sentence3: Perfect, could you also assist me in finding a place to stay? Sentence4: What will be my arrival time in Cambridge and what is the ticket price, please? Sentence5: You're welcome. Have a great day. Good bye. Sentence6: You are booked and your reference number is QUJQMRK7 . Can I help you with anything else? Sentence7: That is everything, thank you for your help. Sentence8: From where will you be departing? Sentence9: I'm looking for a train that goes to cambridge, leaving after 12:30 on monday Sentence10: I am leaving from Ely. Sentence11: Oh I'm not picky on the area. I definitely need free wifi, moderate price, and 0 stars though. Sentence12: That's perfect I need it booked for 8 people for 5 nights starting on Monday. Sentence13: I sure can. What area would you like to stay? Sentence14: The price is 4.40 pounds. You will arrive at 13:52. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: That should do. I am also looking for a place to dine. The restaurant should serve Chinese food and should be in the expensive price range Sentence2: Can you help me find an interesting place to visit on the east side of town? Sentence3: Sure do, know of any interesting ones on the east side? Sentence4: Yes, I would like it to be in the east. Sentence5: That is all, thank you! Sentence6: cb13ef. Anything else? Sentence7: I can. Do you like museums? Sentence8: The Yu Garden has fabulous food. Can I book a table there for you? Sentence9: I have many choices. Do you have an area preference? Sentence10: I'm sorry, could I get the postcode to Cambridge Artworks? Sentence11: I'm sorry I have to go now! Bye! Sentence12: Absolutely. You can reach Yu Garden at 01223248882. Is there anything else I can help with today? Sentence13: I also need to get the phone number for the restaurant. Sentence14: Okay great. Glad I could be of help. Sentence15: We have the Cambridge Artworks, the Cambridge Museum of Technology, and several galleries. Sentence16: Thanks for contacting the Cambridge TownInfo Centre and have a great day! Question: Who has spoken the sentence 15? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I am looking for a attraction in the east part of town Sentence2: Sure, I can make your reservation first what day and for how many people please? Sentence3: We have a boat, two entertainment venues, and two museums here in the East. Can I get you more information on any of those? Sentence4: How about the Funky Fun house? It is in the east at 8 mercers Row, mercers row industrial estate. The post code is cb13ef. Sentence5: That will work. I'm also looking for a restaurant in the same area that is expensive. Sentence6: Which one would you suggest? Please give me the phone number, entrance fee, and the postcode. Thank you. Sentence7: It was my pleasure. Thanks for using our service. Goodbye. Sentence8: The Taxi has been booked as requested. Sentence9: I am not overly particular, what type do you have in the East? Sentence10: What type of attraction are you interested in? Sentence11: Yes, the contact number is 07511049377 and it is a blue lexus. Sentence12: Sounds good, I need a taxi and I need to leave by 4:00 so I need a reservation for 3:00 or earlier if possible. Sentence13: There are a few to choose from. The Royal Standard is a gastropub. Does that sound good? Sentence14: Alright! Thanks so much for your help! Sentence15: I need the taxi to commute between the two places on the same day. Sentence16: Can you let me know the contact number and what kind of car? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:

Answer: (B) System