Instructions: 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 for using our system. Good bye Sentence2: Golden Wok is located 191 Histon Road Chesterton at and their postcode is C.B 4, 3 H.L. Is there anything else I can help you with today? Sentence3: Thank you goodbye. Sentence4: I am looking for a moderately priced chinese restaurant. Sentence5: Golden wok is moderately priced restaurant located in the north part of town. Sentence6: Could you please give me their address and postcode? Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System