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: That sounds fine. What's the price? Sentence2: Sorry, but I don't have anything leaving at 12:00 but I have train TR9781 that leaves at 11:00 and will get you there by 11:51. How does that sound? Sentence3: That's everything. Thanks for the help. Sentence4: I have trains all leaving cambridge going to london kings cross on wednesday. First one leaves at 05:00 last at 13:00 and its a 51 minute ride Sentence5: Looking for a train that leaves on Wednesday. Sentence6: I have the Cafe Jello, which has free admission. Sentence7: The phone number for Cafe Jello Gallery is 01223312112. Can I help you find anything else? Sentence8: Thanks. I'm also looking for a concerthall to visit. Are their any in the west? Sentence9: That's awesome! What's their phone number? Sentence10: One ticket will work. Sentence11: Thanks so much again! Goodbye! Sentence12: We hope you enjoy your trip. Sentence13: You're welcome, goodbye. Sentence14: I would liek to arrive by 13:00, can I book the one that leaves at 12:00 Sentence15: Unfortunately there aren't any. Could you like to try other areas? Sentence16: The ticket price is 23.60 pounds. How many tickets would you like? Sentence17: Booked! You'll pay at the station. Your reference number is: 0140Z2O7 . Sentence18: how about one that is in the type of museum. Question: Who has spoken the sentence 10? (A) User (B) System
A:
Answer: (A) User