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

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
Answer: (B) System

Sentence1: Unfortunately, I am not seeing any 4 star hotels that are moderately priced in the centre. We could try a cheaper hotel or a guesthouse? Sentence2: Sure do. Their address is fulbourn, postcode cb15dh. Phone number is 01223295264, and entrance is free. It's a museum on the Eastside. Sentence3: Nevermind. Do you have info on gallery at twelve a high street. Sentence4: Thank you very much for your help, have a nice day. Sentence5: Thank you, enjoy your stay in cambridge. Sentence6: Of course. We have so many attractions! What part of town will you be in? Sentence7: I will be visiting Cambridge soon and can't wait to see some of your local attractions. I do need your help with some information. Sentence8: I'm sorry, but there are no cheap hotels in the center of town, either. The only cheap hotel is on the west side. Sentence9: How about in the cheap price range? Sentence10: I have two options. Would you prefer a hotel or a guesthouse? Sentence11: I need a 4 star room in the centre please. Sentence12: A hotel in the moderate price range. Thank you! Question: Who has spoken the sentence 4? (A) User (B) System
Answer: (A) User

Sentence1: there are several architecture places you could go, all saints church,great saint mary's church,holy trinity church, and old schools, which one could you prefer? Sentence2: It is a normal hotel and the phone number is 01223366611. Sentence3: Have a good trip at Cambridge. Goodbye! Sentence4: No can I just get the hotel type and phone number please? Sentence5: I'm looking for the gonville hotel. Sentence6: Gonville hotel is in the expensive price range in the centre would you like me to book it Sentence7: Old Schools sounds cool - can I have their phone number? Sentence8: You can contact Old Schools at 01223332320. Is there anything else I can assist you with? Sentence9: The taxi has been reserved. Your taxi would be a black honda and you can contact it at 07973129543. Sentence10: Hello, I'm looking for an architecture place to go in the centre of town. Sentence11: Thanks. Can I also book a taxi to take me from the hotel to the old school. I want to leave the hotel by 21:00. Sentence12: Thank you so much that's all i need. Question: Who has spoken the sentence 9? (A) User (B) System

Answer: (B) System