Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: How many tickets? Sentence2: It doesn't matter as long as it is a nice museum. Sentence3: I want a train leaving from leicester. Sentence4: Yes, that's fine.Thank you so much. That's all I needed today. Sentence5: okay, booking was successful. The total cost is 189 GBP. Reference number is : 44KVOVJM . What area do you need the museum to be in? Sentence6: I need 5 tickets and the reference number. I would like to go to a museum attraction in town. Please provide a area, phone number, and postcode. Thank you. Sentence7: Does it matter if it has a entrance fee? Sentence8: Yes can you book that one please? Sentence9: Anytime you prefer to leave? Sentence10: no. find me where it is located, phone number and postcode Sentence11: The TR4170 leaves at 09:09. Will that work for you? Sentence12: Happy to be of service, and enjoy your time in Cambridge! Sentence13: Okay how about broughton house gallery in the centre? Their phone is 01223314960. Postcode is cb11ln and address is 98 king street. Entrance is free. Sentence14: I'll be coming from Leicester to Cambridge on Friday. I'd like to arrive by 21:15. Sentence15: Sure! Where would you like to travel to? What day would you like to travel? Do you have any preferences on departure times? Sentence16: No. Just as I make my arrival time but not leave unnecessarily early. Question: Who has spoken the sentence 14? (A) User (B) System
Output:
Answer: (A) User