Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: The closest arrive time for leicester that I have is 09:06. It leaves cambridge at 07:21. How many people will be traveling? Sentence2: I have a number of places so maybe we can narrow it down. Can you tell me what area of town you would like to stay? Sentence3: The Allenbell is a guesthouse. And they are located at 517a Coldham Lane. Is there anything else I can help you with? Sentence4: There will be 2 of us. Can you please provide the reference number after you create the booking? Sentence5: I need a train departing from cambridge and should arrive by 09:15. Sentence6: No, I would just like the address and hotel type, please. Sentence7: you're welcome. its always a pleasure to serve you Sentence8: Thank you. I am also looking for a place to stay. I would like for it to have 4 star rating and free wifi. Sentence9: I'm going to Leicester on Sunday. Sentence10: I have your tickets booked. The reference number is ZJP3WID9 . Sentence11: I think allenbell would be a good choice. Would you like me to book it? Sentence12: There are several trains leaving Cambridge and arriving by 9:15, do you have a destination in mind? Sentence13: No thank you. I appreciate your help today. Goodbye! Sentence14: I would like to stay in the east, there is no need for parking. Question: Who has spoken the sentence 5? (A) User (B) System
A:
Answer: (B) System