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

Sentence1: Cambridge artworks is wonderful! They are located at 5 greens road cb13ef. There phone number is 01223902168. Sentence2: Yes, there are 4 museums. Three are free and one has a 5 pound entrance fee. Are you looking for a gallery? Sentence3: What do you recommend? Sentence4: Can you help me find a place to go in the east? Sentence5: Thank you. That's all I needed. Sentence6: I'm also looking for a place to eat. I don't mind where, but I want an expensive chinese place. Sentence7: Ok. I booked a taxi for you. It is a blue audi and the contact number is 07155610417. Sentence8: You're welcome, goodbye! Sentence9: A recommendation would be fine. Can I get the area they're in and post code? Sentence10: I'd also like to book a taxi between the two places. I'd like to leave the restaurant by 2:30 Sentence11: There are 9 options that fit your criteria. Would you like a recommendation or would you like to narrow it down further? Sentence12: We have 5 very nice attractions in the east, do you have an idea of type of activity that would best match your needs? Sentence13: I recommend yu garden. It is located in the east. The address is 529 Newmarket Road Fen Ditton. Postcode cb58pa. Sentence14: Is there a museum I could go to on that side of town? If so, please provide phone number, address, and postcode. Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: Sure, it's at granta place, Mill lane. Sentence2: Sure it's a moderately priced 4 star guesthouse in the east. Would you like me to book it? Sentence3: From all of us at Cambridge, we hope you enjoy your stay! Farewell! Sentence4: Thank you so much for all of your help today. I am all set. Bye. Sentence5: Could you tell me their address as well please? Sentence6: Thanks! I'm also looking for information on the A & B Guesthouse. What can you tell me about that place? Sentence7: Yes, the post code for the A and B Guest House is cb12dp. Is there anything else I can do for you? Sentence8: What is the phone number for scudamores punting co? Sentence9: Okay, which would you like to leave from? Sentence10: The phone number for Scudamores Punting Co is 01223359750. Is there anything else I can help you with today? Sentence11: Your taxi is booked. The car is a yellow honda and the contact number is 07826111038 Sentence12: May I have the postcode? Sentence13: I would like to leave the hotel by 7:00. Also, can you give me the contact number and car type once you have booked it? Sentence14: I also need a taxi to go between the two places. Question: Who has spoken the sentence 4? (A) User (B) System
Answer: (A) User

Sentence1: The bold letters tells me no interest in a guesthouse huh? I ran a search there are two hotels, gonville and university arms. Any preference? Sentence2: I'm afraid our restaurant system is currently down. Can I help you with something else at this time? Sentence3: i'd like the gonville please. make a reservation if you can for thursday for 1 person, 3 nights. Sentence4: Other than the museum previously mentioned, I also suggest checking out the Cambridge University Botanic Gardens on Bateman Street. Sentence5: Ok, I think we've already established the attraction in the town centre. The next thing I need is a HOTEL in the centre that includes free parking. Sentence6: You're welcome. Is there anything else I can assist you with? Sentence7: That's perfect. Thanks so much for your help. Sentence8: Is it true Cambridge has the best attractions? We are looking for something unusual to do in the centre. Sentence9: Thank you for using the Cambridge TownInfo centre. Goodbye. Sentence10: I would like chinese. Sentence11: I'd be happy to help with your request, what area and what type of cuisine are you looking for? Sentence12: Yes can you help me find a place to eat too? Sentence13: No. That is all for now. Sentence14: Booking was successful. Reference number is W0P1SD78 . Anything else I can help you with today? Sentence15: There is teh museum of archeology and anthropology in the centre that is free of charge Sentence16: i would like to go site seeing Question: Who has spoken the sentence 5? (A) User (B) System

Answer: (B) System