Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Great. Can I have the reference number for that reservation? Sentence2: Thank for using our service. Goodbye! Sentence3: Ok, let's book The Lensfield Hotel for you Saturday for 6 people for 4 nights. Sentence4: Thank you so much . Enjoy your stay. Sentence5: I have one hotel and three guesthouses on the southside. Would you like a certain price range or star rating? Sentence6: I've booked you at the Lensfield with reference number is PKEIHXCW . Can I help you with anything else? Sentence7: I need a room, in the south, free wifi. Sentence8: We will. Have a good day. Sentence9: You have been super helpful. Good-Bye. Sentence10: That is all. Thank you Sentence11: Glad I could help. Enjoy your stay. Sentence12: Do you need it to have free parking? Sentence13: The price range and star rating is not important to me. Sentence14: No, you can just pick whatever you would recommend. Can you book a room for 6 people starting on Saturday for 4 nights? Question: Who has spoken the sentence 12? (A) User (B) System
Output:
Answer: (A) User