You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: No, that is all I need for today. Thank you. Sentence2: Good by and have a nice stay. Sentence3: The phone number is 01223452587. Do you need any other information about it? Sentence4: I am looking for attractions in the town centre Sentence5: What is their phone number? Sentence6: Are you interested in architecture? It is free to visit all saints church. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User