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: Booking was successful. Reference number: MCITLHI8 . Sentence2: Okay, where do you want the taxi to pick you up and where will you be going? Sentence3: Sure. Their phone number is 01223314960. Sentence4: i am looking for a hotel in Cambridge called the cambridge belfry Sentence5: how about broughton house gallery? it's free of charge. Sentence6: I need the taxi to pick me up at the hotel by 17:45. Sentence7: That sounds great. Can you please give me the phone number? Sentence8: How about a museum? Sentence9: Great! That's it! Thank you! Sentence10: Yes,could you please book me a room on tuesday for 5 people and for 4 nights. Sentence11: That hotel is in the West and listed as cheap, but still has 4-stars. They provide free parking and internet. Would you like to make a reservation? Sentence12: Great! I also need information on multiple sports in the centre. Sentence13: I was able to book that taxi for you. Be looking out for a White Volkswagen. If you need to reach them, please call 07698582191. Anything else for today? Sentence14: I would also like a taxi to commute and I would like it 17:45 please and the contact number and the car type, thank you Sentence15: There are no multiple sports attractions in the centre. Should we try another area? Sentence16: Thank you and have a good day! Question: Who has spoken the sentence 10? (A) User (B) System
A:
Answer: (A) User