Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Thank you and goodbye! Sentence2: Da Vinci Pizzeria is a cheap italian restraunt in the north area of town. Sentence3: Is there a cheap restaurant in the north part of town? Sentence4: May I suggest Royal Spice, a cheap Indian restaurant in the north? Sentence5: Thank you goodbye. Sentence6: What is the address and phone number? Sentence7: Da Vinci Pizzeria is at 20 Milton Road Chesterton, and their phone number is 01223 351707. Sentence8: Is there anything else? Question: Who has spoken the sentence 1? (A) User (B) System
Output:
Answer: (B) System