Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: There are quite a lot of different places in the centre. Do you have a particular type in mind such as architecture, college, museum etc? Sentence2: I recommend great saint mary's church. Its postcode is cb23pq and the entrance fee is 2 pounds. Sentence3: The booking was successful. The table will be reserved for 15 minutes.Reference number is : ULSWHGVK, anything else? Sentence4: Yes please book it for 4 people at 11:15 on Monday. Sentence5: absolutely. Look for a white tesla. Its number is 07550780265 in case you need to reach them. Sentence6: I need to leave the church for lunch at the restaurant before the booked time. Sentence7: Hi, I am looking forward to trying some local restaurants when I visit Cambridge next month. Are there any good ones? Sentence8: It's a pleasant to help you. Please call back if you need further assistance in the future. Sentence9: It has been a pleasure talking to you. You have helped me get all I need. Thank you and goodbye. Sentence10: There is wagamama in 36 Saint Andrews Street, would you like me to book for you? Sentence11: Sure, just let me know your departure location, destination and when you are going to travel. Sentence12: Thank you very much. Actually, can you also reserve a taxi for me? Sentence13: Yes, can you tell me some tourist places in town that are in the same area? Sentence14: Yes, I'd like to find a Japanese place in the centre. Sentence15: We have a lot of good restaurants in the city. Do you have a preference in the type of food you want? Sentence16: As long as it is in the same area it doesn't matter, please recommend one. I want its postcode and entrance fee as well Question: Who has spoken the sentence 10? (A) User (B) System
A:
Answer: (A) User