Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Does that place have free wifi? Sentence2: I'm looking for a moderately priced guesthouse for the night. Sentence3: Thank you, can you book me for 7 people and two nights, beginning on Sunday? May I also get a reference number? Sentence4: For that price range, I have several guesthouses. Do you have a preference on the area of town you stay in? Sentence5: How about Hobsons House? It is a moderately priced guesthouse in the west end. Sentence6: Thank you, if you need anything else let me know.Good Bye. Sentence7: Yes, I'd really like to stay on the west end of the city. Anything available there? Sentence8: Yes the place provides free wifi. Sentence9: Your booking was successful and reference number is Q1P81Y9Z . Can I assist you with anything else? Sentence10: No thanks, that is all. Question: Who has spoken the sentence 9? (A) User (B) System
Output:
Answer: (B) System