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: You're welcome! Thanks for using Cambridge TownInfo centre! Sentence2: There are 29 hotels with free wifi and parking, do you have a preference on location or price range. Sentence3: I was able to book at the alexander bed and breakfast. Your reference number is JLDXHEK8 . Is there anything else? Sentence4: No that is all I needed today. Thank you. Sentence5: We have to narrow it down. There are 19 hotels. What price range are you looking for? Sentence6: Yes, I am looking for a hotel please. I would need free wifi and free parking. Sentence7: Any price range is fine. I just need a reservation for 3 people for 5 nights starting on Saturday. Sentence8: I don't have a preference but I would like it to be 4 stars? Question: Who has spoken the sentence 5? (A) User (B) System
A:
Answer: (B) System