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: Could you also get me a taxi between the two that leaves the hotel by 6:15? Sentence2: There are 11 guesthouses that fit your criteria. Do you have a preference of north, south or east? Sentence3: The address is saint andrew's street. Sentence4: the taxi is booked. it's going to be a yellow tesla. their phone number is 07606976296. Sentence5: The area doesn't matter. I'll go with whatever guesthouse you recommend. Please make my reservation for 3 people, 5 nights, starting Thursday. Thanks. Sentence6: Thanks. I don't need anything else. Sentence7: What is the postcode? Sentence8: I have you booked at archway house, the reference number is N8IRHQYO, any further questions? Sentence9: I'm also looking for a moderately priced guesthouse, one with a four star rating. If it doesn't have free parking, that's fine. Sentence10: Can I recommend christ's college? Sentence11: Yes could I have the address and postcode of the college please. Sentence12: i am glad i have been of help. good day Sentence13: Have a great one. Thanks again for your help. Goodbye. Sentence14: There are 79 attractions, Do you have an idea of the type you're looking for? Sentence15: I need information on places to go and see. Sentence16: Yes, I would like the type of college. I will need the address and postcode please. Sentence17: Thank you, I'm glad I could be of help. Goodbye. Sentence18: The postcode is cb23bu. Can I help you find anything else today? Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Can I get some information about visiting Great Saint Mary's Church? Sentence2: Thanks. I am also looking for an expensive place to eat in the centre. Sentence3: Booking was successful. The table will be reserved for 15 minutes. Reference number is : XWZ8N8GF . Anything else I can do? Sentence4: Sure, there are plenty of places in the area. Did you have a particular type of cuisine in mind? Sentence5: Sure, is there anything specific you'd like to know? Sentence6: What is the entrance fee for that attraction? Sentence7: This is found in the center of town. Their phone number is 01223350914 and their postcode is cb23pq. Sentence8: Admission to Great Saint Mary's Church is 2 pounds. Sentence9: Definitely, Please book me for 7 people at 14:45 on wednesday. I also would like the reference number. Sentence10: No, just expensive in the centre. Recommend one for me. Sentence11: Thanks! That's all I needed. Sentence12: I'd really like to visit Great Saint Mary's Church. Could you give me some information about it? Sentence13: You should try dining at kymmoy, an asian oriental restaurant located at 52 Mill Road City Centre. Would you be interested in booking a table? Sentence14: You're welcome! Have a wonderful day. Question: Who has spoken the sentence 12? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I have been hurt, I need to find a hospital nearby, and I need one with an infusion department. Sentence2: Please call an ambulance. Sentence3: Are you sure you don't want any more assistance? Sentence4: Yes, that is all, thank you. Sentence5: Ok, let me know if I can help you with anything else. Sentence6: Addenbrookes Hospital has infusion services. They can be reached at 01223245151. Sentence7: Don't worry about it. Sentence8: I am unable to do that. I can phone the police, call you a cab, or book you an appointment at the hospital. How can I help you? Question: Who has spoken the sentence 7? (A) User (B) System


Output: Answer: (B) System