Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: The centre is my preference. Thank you. Sentence2: I want to stay near the restaurant if possible. Oh and they should have internet please. Sentence3: Please book clowns cafe. Sentence4: Sure, stazione restaurant and coffee bar, clowns cafe, don pasquale pizzeria, cafe uno. Sentence5: Thank you. You as well. Sentence6: I would like to go to an expensive Italian restaurant for dinner. Sentence7: 11:45 as discussed above. Sentence8: Just make sure I get to the locations by the booked time. Sentence9: Can you tell me the names of those four? Sentence10: Have a nice day. Sentence11: Their postcode is cb11ly. If you want to make a booking, then I need to know what day you'd arrive, how many nights you'd stay, and how many people. Sentence12: I also need an expensive hotel to stay at. Can you help me find one? Sentence13: Great and can I get a taxi to commute between the two places. Sentence14: Yes it does. Sentence15: Which one would you like me to book it for? Stazione, Clowns Cafe, Don Pasquale Pizzeria, or Caffe Uno? Sentence16: What area would you like to stay in? Sentence17: I would be happy to find a taxi for you. I just need to know when you want to leave by and when you would like to arrive. Sentence18: I've made those reservations your reference number is WIPPGG4I . Sentence19: I'd recommend the Gonville Hotel. It meets your criteria. Would you like to make a booking? Sentence20: Lets finish your hotel booking first, okay? How many rooms will you need and for how many nights? Beginning which day? Sentence21: I don't need a booking, thanks. I do need a taxi going from the hotel to the restaurant though. Sentence22: Does it have internet? Sentence23: I'll need to know when you need to be picked up or dropped off. Sentence24: I have four places fitting that criteria. Would you like me to book one? Sentence25: yes and could i have the postcode please Sentence26: The taxi has been booked the contact number is 7384967913. The type of car is blue lexus. Sentence27: which area of town are you interested in dining in? Sentence28: book for me Sure. a table for 8 people at 11:45 on wednesday and get me the reference number Question: Who has spoken the sentence 4? (A) User (B) System
A:
Answer: (A) User