Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Alright that helped, thanks for your time. That's alls I needed to know. Sentence2: yeah, i need seven tickets. Sentence3: OKay, what day and time are you looking to leave? Sentence4: It's been a pleasure. Good day. Sentence5: I need a train for London Kings Cross to Cambridge. Sentence6: Yes, I'd like to know the address, please. Sentence7: Sure thing its on trinity street. Sentence8: The Williams Art and Antiques museum is located in the center. Would you like more information about this attraction? Sentence9: Booking was successful, the total fee is 132.16 GBP payable at the station. Your reference number is : 26VNGN0I . Can I be of any further assistance today? Sentence10: Can you find a place to in the centre? Sentence11: i recommend TR7223. can i book? Sentence12: I want to leave Saturday after 10:45. Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System