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: I'm just looking for something fun to do in the centre of town. Do you have any recommendations? Sentence2: I am checking on the train schedule from Peterborough to Cambridge. Sentence3: I will book it myself. Sentence4: What day do you want to depart? Sentence5: i want to depart on thursday. Sentence6: Can I get the phone number please? Sentence7: I also need an attraction. Sentence8: thank you and enjoy your stay. Sentence9: No thank you. That is all for today. Goodbye Sentence10: OK - is there anything else I can help you with today? Sentence11: TR418 leaves at 10:19. Whould you like me to book it? Sentence12: Sure many trains use that route. It would be helpful if you could narrow down a specific travel time. Sentence13: I want to leave after 10:00. Sentence14: Sure, their number is 08712240240. Is there anything else I can help with? Sentence15: Ok, I can help you with that. What type of attraction are you looking for? Sentence16: I'd recommend Vue Cinema. Would you like more information? Question: Who has spoken the sentence 13? (A) User (B) System

Output: Answer: (B) System


Input: Consider 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

Output: Answer: (B) System


Input: Consider Input: Sentence1: Nandos is cheap restaurant in the south part of town serving Portuguese food. Would you like their phone number? Sentence2: The phone number for Nandos is 01223 327908. Is there anything else I can help you with? Sentence3: Yes, also I will need their address. Sentence4: Their address is Cambridge Leisure Park Clifton Way. Would you also like the phone number? Sentence5: No, thanks. I'll head to Nandos now. Goodbye. Sentence6: Have a nice day! Sentence7: I would like Italian food. Sentence8: I'm sorry, there are no restaurants matching your request. Would you like to try something else? Sentence9: Yes, please give me their number. Sentence10: I don't care. Sentence11: I am looking for a restaurant in the south part of town that is in the cheap price range. Sentence12: I have two restaurants that meet your requirements. Do you have a cuisine preference? Question: Who has spoken the sentence 9? (A) User (B) System


Output: Answer: (B) System