You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Hi, I'm looking for a place to stay. Can you help me? Sentence2: No, that's ok. May I have the post code for the Hamilton? Sentence3: I am also looking for places to go in the same area as the hotel. Sentence4: Sure. There are 2 swimming pools, a boat attraction, and a park in the area. Which one would you like information on? Sentence5: I'm sorry but the entrance fee can only be seen once at the location. Sentence6: Does it have free wifi? I will need the postcode if it does. Sentence7: I am afraid it does not. Hamilton lodge does have free wifi. Would you like to book it? Sentence8: Sure! The postcode is cb41da. Sentence9: You're welcome! I hope that you have a nice day as well! Goodbye. Sentence10: I can definitely help with that. First of all, is there a preference on price range? Sentence11: I would recommend the Alpha-Milton Guest House. It is in the North and moderately priced. Sentence12: Moderately priced with a star of 3 will do. Sentence13: The boat sounds like something I'd enjoy. Is there an entrance fee? Sentence14: I would like one in the North please Sentence15: I have four options. Do you have a preference on which side of town? Sentence16: Okay. Well, thank you and goodbye! Have a nice day. Question: Who has spoken the sentence 5? (A) User (B) System
A:
Answer: (B) System