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

Ex Input:
Sentence1: Thanks for the help, bye! Sentence2: I have many varying from moderate to expensive in price range. Do you have a preference? Sentence3: Have a great day! Sentence4: Certainly, I have booked your car, it will be a yellow skoda the contact number is 07839693090. Is there anything else I can assist with? Sentence5: Yes. I am looking for a college as a place to go in town. Sentence6: I recommend Tandoori Palace, would you like me to book a table for you? Sentence7: Tandoori Palace is located at 68 Histon Road Chesterton, postcode cb43le. Their phone number is 01223506055. Is there anything else I can help you with? Sentence8: I would recommend Clare Hall would you like to visit that? Sentence9: No, that is all. Thank you! Sentence10: Yes, please. Can you book a taxi for me? I'll be heading from Clare Hall to Tandoori Palace, and I'd like to be picked up at 18:15. Sentence11: I'm looking for a restaurant in the west that serves Indian food. Sentence12: I don't need a reservation, but could you give me their address, postcode, and phone number, please? Sentence13: What do you have in the expensive price range? Sentence14: Clare College is located on Trinity Lane in the west area of the city. The entrance fee is 2.50 pounds. Is there any other information I can get for you? Sentence15: Glad we could be assistance. Sentence16: Sure, but first I'll need to know the entrance fee, area, and address. Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: the post code is cb41er. what day would you like the reservation for? Sentence2: You're quite welcome. Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence3: The Ashley Hotel sounds fine, can you book that for me please. Also, I need the postcode of that hotel as well. Sentence4: I'm looking for a hotel in the north side. Sentence5: Ashley Hotel and Lovell lodge are both available Sentence6: Actually, I don't need a booking. Thanks. Have a nice day. Sentence7: I have many options in the north. All are in the cheap to moderate range. Do you have any further requirements? Sentence8: I'd like a 2 star hotel with free parking. Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: That sucks. How about museums in the west? Sentence2: I need to go out tonight - what's the hottest nightclub on the west side? Sentence3: I'd be happy to help, first I'll need more information. Please tell me the day, time and number in your party for your reservation. Sentence4: Yes, please. I would appreciate that. Sentence5: How many people? Sentence6: It will just be me Sentence7: Thanks, what is the postcode and entrance fee for kettles yard? Sentence8: What time did you want to make the reservation for? Sentence9: No that will be all. Thank you. Sentence10: We have 7 different museums in the west part of town. Do you want me to give you a recommendation? Sentence11: The postcode is cb30aq and it is free. Sentence12: Ok, booking was successful. Reference number is : SVJX0QE7 . Can I help with anything else? Sentence13: 18:45 on weds Sentence14: I would suggest kettles yard. Sentence15: There are no nightclubs on the west side of town. Sentence16: I also need to book a table at the royal spice restaurant. Sentence17: It will be for one, Wednesday. Sentence18: You are most welcome! Good bye. Question: Who has spoken the sentence 17? (A) User (B) System

Ex Output:

Answer: (B) System