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: I just need to find a train that leaves at 19:30 for 5 people Sentence2: Is there another day you would like me to check? Sentence3: Hi, I'm looking for any information that you have on the Lensfield hotel in Cambridge. Sentence4: Nope that should be it thanks. Sentence5: I only have trains that leave at 20:24 and later on a Friday from Stansted airport. Will this time and day work for you? Sentence6: Alright, I booked 5 tickets for Saturday train your reference number is 1R61PO9r . You can pay for your tickets at the station. Is there anything else? Sentence7: Unfortunately, no trains leave at that time Sentence8: Unfortunately there are no trains that leave at this time. Sentence9: I'm staying for 2 days and it's just myself. What train can I take to depart from the stansted airport that leaves at 19:30? Sentence10: What are the other 4 times of departure for Saturday. I'll need bookings for 5 people and a reference number. Sentence11: Glad to be of service. Have a wonderful day! Sentence12: The Lensfield Hotel is an expensive, 3-star hotel in the south of town, with internet and parking. Would you like me to book it for you? Sentence13: Sure, the phone number is 01223355017. How many days will you be staying, what day do you need to arrive, and how many people will be staying? Sentence14: There are only 4 trains that leave on Saturday Sentence15: I'm actually looking for something on Saturday. Are there any trains on Saturday that leave at 19:30? Sentence16: Yes, please. Can you also give me the phone number? Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Sure, can you book it for 6 people on friday at 17:15 please? And then give me the reference number Sentence2: I'm glad I could help, have a great time. Sentence3: How does the Golden wok sound? It is close to that area. Sentence4: I would also like to eat some Chinese food near the hotel. Sentence5: That is all for now. Thank you for all your help. Sentence6: I have you booked at the Acorn Guesthouse, six people for four nights. Your confirmation is GLVBZVYO Sentence7: Yes, please! I'd like a room for 6 people. We'll arrive on Friday and stay for 4 nights. Sentence8: Successfully booked. Your reference number is XZZTYRWB . What else would you like help with? Sentence9: Best wishes for an enjoyable stay from the Cambridge TownInfo Centre. Goodbye. Sentence10: Thanks so much, goodbye! Sentence11: Alexander bed and breakfast looks good, would you like to try that? Sentence12: I need it to be in the north area, is Alexander bed and breakfast located there? Sentence13: Hello I am new to Cambridge and was wondering about good 4 star hotels with free wifi. Any suggestions? Sentence14: No, but the Acorn Guest House is in the north. Would you like a room there? Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User