Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: You are welcome. Thank you for calling the Cambridge TownInfo Centre. Good bye. Sentence2: Ok we have two guesthouses with that criteria, the Carolina Bed and Breakfast, and the Warkworth House. Sentence3: I'm looking for a moderately priced 4 star hotel. Sentence4: I was able to book you at Warkworth House, the reference number is VTZK341T . Can I help you with anything else? Sentence5: I need a reservation for 4 people for 5 nights starting on Sunday Sentence6: The hotel should include free parking and should be in the east Sentence7: No that is perfect. Thank you very much. Sentence8: We have no hotels with that criteria, but I can search for a 3-5 star hotel if you'd like. Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System