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

Example Input: Sentence1: Yes, could you tell me their postcode? Sentence2: How much is that cinema's entry fee? Sentence3: I'm afraid that the entry fee for Cineworld Cinema is unknown. Is there anything else I can help you with? Sentence4: I need a taxi from the cinema to the hotel, I want to leave the cinema by 08:15. Sentence5: Yes, I'm also looking for a place to stay. I'll need it to be moderately priced, in the same area as the attraction, and free parking, please? Sentence6: Do they have a room available for 7 people? We're staying 3 nights and checking in Tuesday. Sentence7: That is everything that I need? Sentence8: Thanks, have a great day! Sentence9: The postcode is cb17dy. Is there anything else I can assist you with today? Sentence10: Thank you for using our service today. Sentence11: Have a wonderful time. Sentence12: Booking was successful. Reference number is : Z108ABS3 . Can I help you with anything else ? Sentence13: I'm looking for for a cinema in the south. Can you give me some information on cinema's in the south? Sentence14: there is only one, it's called cineworld cinema Sentence15: bridge guest house is a 4 star guesthouse in the south part of town in the moderate price range with free wifi and parking. Sentence16: Booked you a taxi ride look for a red tesla car contact number is 07746939508. Can I help with anything else? Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Thank you. I am also looking for a particular restaurant, it is called Charlie Chan. Can you provide me its address? Sentence2: I want able to book your room at the Gonville Hotel for you for the two nights. Your reference number for this is KYXT8TUS . Sentence3: I would like to book for four people for three nights beginning on Tuesday. Sentence4: No, thank you. That's all I needed today. Sentence5: Does the Gonville Hotel have guesthouse accommodations? Sentence6: Yes please book it for four people in 3 nights starting on Tuesday Sentence7: Before I book this hotel I just want to inform you that I have confirmed that it is not a guesthouse but a hotel. Would you still like me to book? Sentence8: No how about two nights? Sentence9: I believe so, yes. Sentence10: Unfortunately it can not be booked for 3 days. Did you want to get information about a different hotel instead? Sentence11: I am looking for a 3 star hotel with free parking in Cambridge. Sentence12: Absolutely. On what day, for how many people and how long is your stay? Sentence13: Certainly! The address for the Charlie Chan is Regent Street City Centre. Would you like me to book a reservation? Sentence14: Thanks for contacting Cambridge TownInfo centre. Let us know if you need anything else and have a great day! Sentence15: I found a handful of locations that might suit your interests. Would you care to check out the Gonville Hotel? It has everything you are looking for in accommodations. Sentence16: Can you book this hotel? Question: Who has spoken the sentence 5? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: No, that's all. Thanks. Sentence2: Yes I was able to book a room there for one night. Reference number is PL0P458J . Sentence3: I was able to find three results for what you are looking for, may I recommended finches bed and breakfast? Sentence4: Hi, I'm looking for a 4 star hotel on the west side. Sentence5: Thank you for contacting, Cambridge TownInfo centre. Sentence6: Yes, sounds good. I'd like to book for 6 people for 5 nights from Thursday. Sentence7: I'm afraid that wont work. Can we try a different day or length of time? Sentence8: Is there anything else I can help you with today? Sentence9: Great do they have free wifi? Sentence10: They have free wifi and free parking! They're a guesthouse, not a hotel, though - is that OK? Sentence11: Great! Thanks for your help with booking that. Sentence12: Would you be able to get it for 1 night and also get me a reference number Question: Who has spoken the sentence 5? (A) User (B) System
Example Output:
Answer: (B) System