Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Your booking is a success. Your reference number is: HHCGQ5HZ . Yes, it does have internet. Sentence2: Booking was successful, the total fee is 151.19 GBP payable at the station, your reference number is YYKJRD9R . Will that be all? Sentence3: TR6678 departs from Leicester at 10:09 on Saturday. Shall I book that for you? Sentence4: Help me find a train that leaves after 09:45 on Saturday. Sentence5: There are three guesthouses that meet your criteria. I would recommend the Autumn House. Would you like me to book a room for you? Sentence6: Yes please make a booking for 5 people. Sentence7: does it have free wifi and parking? Sentence8: Okay would you be able to make a reservation for me for 4 nights for 5 people starting Saturday? Sentence9: Thank you. I am also looking for a place to stay. It needs to be cheap and in the east. Sentence10: The TR5170 departs at 11:00. Would that work? Sentence11: Does it depart from Leicester? Sentence12: It sure does. Can I get you more information? Question: Who has spoken the sentence 10? (A) User (B) System
Output:
Answer: (A) User