You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Could I please get the address, hotel type, and phone number first? Sentence2: Yes, it is Da Vinci Pizzeria and is located at 20 Milton Road Chesterton. Is there anything else you need? Sentence3: I have your table reserved. Your reservation number is QYB6YHUQ . Sentence4: Was there anything else you needed today? Sentence5: Let first take care of your room reservation. What days would you like to book your room? I will check for availability. Sentence6: There is one place, shall I book it for you? Sentence7: i need to book for 1 people at 13:45 on sunday. remember the reference number please Sentence8: Thank you, goodbye. Sentence9: Great ty so much. I was wondering if you can help me find a place to eat that serves Italian in the north? Sentence10: It is located at 56 saint barnabas road, it is a guesthouse, and the phone number is 01223525725. Sentence11: I need to book a room at alexander bed and breakfast and also what restaurants are near there ? Sentence12: Is that restaurant in the cheap price range? Question: Who has spoken the sentence 1? (A) User (B) System
Output:
Answer: (B) System