You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
--------
Question: Sentence1: You're welcome, enjoy your day. Sentence2: How about Downing College? It has free admission and is located on Regent Street/ Sentence3: I'd like to visit a college in the center of town. Could you help me find something interesting? Sentence4: That sounds great! Can I have their phone number and postcode, please? Sentence5: No, that was all I needed to know. Thank you, you've been very helpful. Sentence6: Downing College's phone is 01223334860 and their postcode is cb21dq. Can I help you with anything else today? Question: Who has spoken the sentence 4? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: No that's all I needed. Thank you! Sentence2: Mumford Theatre sounds great. May I have their address and entrance fee, please? Sentence3: The bridge guest house phone number is 01223247942. Can I help you with anything else? Sentence4: Hi, I'm traveling to Cambridge and I'm excited about tourist attractions. I'm looking for theatres in the centre of town. Sentence5: Can I please get their phone number as well? That's all I'll need for the day. Sentence6: I have many. May I suggest either The Cambridge Arts Theatre or Mumford Theatre? Sentence7: Unfortunately I am unable to find information on the entrance fee but the address is anglia ruskin enterprise, east road. Their phone number is 08451962320 Sentence8: Sure. The Bridge Guest House is at 151 hills road. Did you need any other assistance? Sentence9: Alright, thank you. I'm also looking for a particular hotel. It's called the Bridge Guest House, could you help me find it? Sentence10: You are very welcome, anytime. Question: Who has spoken the sentence 6? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: I would suggest the Museum of Archaelogy and Anthropology. It is located at University of Cambridge, Downing Street and has free admission. Sentence2: I'd like to book a taxi to take me from the museum to the hotel. If possible, I'd like to leave the museum no later than 24:45. Sentence3: You are all set, the reference number is C3JA0EZJ, any further questions today? Sentence4: May I get the postcode, phone number for that attraction? Sentence5: That sounds good please book that for 3 people starting on saturday for 5 nights. Sentence6: I going to be staying in the centre part of town, what is there to do at that area? Sentence7: No, I don't have a preference. What's a good place to go to? Sentence8: Booking completed! Booked car type : grey ford Contact number : 07511988882 Sentence9: alpha-milton guest house is a moderate priced 3 start guesthouse in the north, it does not have free internet or parking. They are located at 63 milton road. Sentence10: Great. Thank you, that will be all for now. Have a great day. Sentence11: There's a lot of popular attractions in the centre of town, including boating, cinema, museums, nightclubs, and much more. Do you have a specific preference? Sentence12: Okay. Thank you very much. Sentence13: Yes, I'd like information about the Alpha Milton guest house. Sentence14: Yes, the postcode is cb23dz. The phone number is 01223333516. Can I help you with anything else? Question: Who has spoken the sentence 7? (A) User (B) System

Answer:
Answer: (B) System