Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Would you like me to book it for you? Sentence2: Somewhere in Cambridge, but I don't have a particular price range at this time. Sentence3: Thank you for using our service! Sentence4: TR8126 would leave at 15:01 and arrive at 17:44. Sentence5: That would be fine. I'll need to book it on Saturday for 5 nights and 3 people. Sentence6: I'm departing from Cambridge. I do need to arrive by 17:45 though. Sentence7: Sure, what is your departure information? Sentence8: How about the aylesbray lodge guest house? It's in the south and has free wifi AND free parking. Great deal! Sentence9: No thank you. I just need the departure time. Sentence10: What day were you looking to travel? Sentence11: Oh, silly me. Thursday, please. Sentence12: Can you help me find a guesthouse that has 4 stars? Sentence13: I've booked the lodge for you on Saturday for five nights and three people. Your reference is N7XG665B . Anything else? Sentence14: I could use some train information on a trip to Birmingham New Street. Sentence15: Thank you so much. That's all I need. Sentence16: Of course I would be pleased to help you with that. I have several options available, are you looking for a specific price range or location? Question: Who has spoken the sentence 14? (A) User (B) System
Output:
Answer: (A) User