Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: I have 2 guesthouses in the south moderate price range. both have parking and internet. I'd suggest aylesbray lodge guest house with 4 star rating. Shall I book it for you? Sentence2: Does the Acorn Guest House have free wifi and is it located in the south? Sentence3: Can you please help me find a place to stay? I'm looking for an average priced place in a guesthouse style. Thankyou. Sentence4: No, it's in the north, would you like something in the south? Sentence5: Yes, I would like something in the south. There will be 5 guests and will be needed for 5 nights, starting Saturday. Sentence6: I like the acorn guest house. Do you need me to book a room for you? Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System