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

Ex Input:
Sentence1: There are 44 possible options. What type of attraction are you interested in? Sentence2: No, that's all I need today. Thank you for your help. Sentence3: I can book a 05:54 for you. Sentence4: You're very welcome, is there anything else I can do for you? Sentence5: I need the train to leave after 15:45 please. Also do you have the entrance fee for the Vue Cinema? Sentence6: Sorry, but I do not have the entrance fee for Vue Cinema in my database. I do have a train from stevanage at 15:54 for you, though. Sentence7: Hello, I'm looking for places to go in the city centre. Sentence8: Have a great day then! Sentence9: How about the Vue Cinema located at the grafton centre, east road? Sentence10: Thank you for your help. Sentence11: Great can you make that reservation on the train for 7 people and send me the reference number? Can you also send me the phone number for the Cinema? Sentence12: I don't mind what kind. Sentence13: Sure, what is the entrance fee? Also I need a train that departs from Stevenage on Thursday. Sentence14: The train is booked reference number 3YY4QV9P, and the phone number of the Vue Cinema is 08712240240 Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: What is the address and postcode? Sentence2: That's all I need. Thanks, good bye. Sentence3: The address is Parkside, Cambridge and the postcode is CB11JG. Sentence4: The telephone number for the Parkside Police is 01223358966. Sentence5: Glad I could be of service. Sentence6: I'm looking for a the Parkside police station. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Yes I would like the phone number of the Nirala. Sentence2: There are two moderately priced restaurants in the north part of town, Golden Wok, a Chinese restaurant, and The Nirala, an Indian restaurant. Would you like more information on either of these? Sentence3: Is there a moderately priced restaurant in the north part of town? Sentence4: I think that's all I need, thank you for your help. Sentence5: Thank you. Goodbye. Sentence6: The phone number for the Nirala is 01223 360966. Is there anything else I can help you with? Sentence7: The postcode of the nirala is C.B 2, 1 U.J. Sentence8: Yes. I would like the address of the Nirala please? Sentence9: What is the postcode? Sentence10: The address you want is 7 Milton Road Chesterton. How else may I help you? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:

Answer: (B) System