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

Sentence1: Italian food sounds good as well, how about that? The area and price must stay the same. Really anything is fine I don't care. Sentence2: christ's college is a beautiful college. You would love it ! Sentence3: I'm sorry but I have no Chinese in this area. Could we try another area or type of food? Sentence4: Great, may I please have the address? Sentence5: It does not matter. Sentence6: Okay! What part of town would you like to visit? Sentence7: could you provide some information about the colleges you have in town? Sentence8: Christ's college is in the centre of town. Their address is saint andrew's street Sentence9: Thanks. That is all I need for today. Bye. Sentence10: Bye, have a good time. Sentence11: Well then find me another type of expensive restaurant. Book it for 1 person for Saturday at 14:30. Sentence12: I'm sorry, there are no expensive Italian restaurants in the area either. How about a cheaper option? Sentence13: Booking completed! Booked car type : grey skoda Contact number : 07328070350 Sentence14: We have 14 places with all kind of food type, any preference? Sentence15: Yes, I'll also need a taxi to commute between the two locations. I'll need to arrive at the restaurant by the dining time. Sentence16: Hm, I guess a chinese place would be good. Sentence17: Done! I have booked you a table at Travellers Rest, which will be reserved for 15 minutes. The reference number is 86LRTWFF . Can I help you with anything else? Sentence18: i am looking for a place to dine. The restaurant should be in the west and should be in the expensive book a table for 1 people at 14:30 on saturday Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System