Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Could you help me find a train that leaves on a wednesday after 8:45? Sentence2: I have the aylesbray lodge guest house or the bridge guest house. Would you like me to book one for you today? Sentence3: The postal code is cb17sr. They do have internet. Is there anything else I could help you with? Sentence4: I need it for four people please. Sentence5: Can you find one in the south, actually? Sentence6: The first train after 08:45 is the TR1672, which leaves at 09:09. Sentence7: Can you try booking at the Aylesbray lodge for 2 nights, and may I have the postal code? Sentence8: I actually think I will book myself later. If I could just get the postal code and if they have internet? Sentence9: Great thank you I also need to find a guesthouse in a moderate price range. Sentence10: Of course. Your reference number is TE5QEU4H . The total is 151.19 payable at the station. Sentence11: Can you tell me where you are leaving from and where you are headed to? Sentence12: Certainly. I need to travel from Leicester to Cambridge. Sentence13: There are several guesthouses in the moderate price rance. I can recommend the Archway House. They're in the north, have 4 stars, and offer both free wifi and parking. Sentence14: How many guest will be staying with you at the lodge? Will the booking be for 4 guests also? Sentence15: No that's all the info I needed. Thanks for all your help Sentence16: Okay, have a good day. Question: Who has spoken the sentence 14? (A) User (B) System
Answer: (A) User