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: Have a nice day. Sentence2: Okay, thank you Sentence3: May I have their phone number, please? Sentence4: Goodbye! Sentence5: Yes, I'm looking for a restaurant in the east part of town serving international food. Sentence6: You're welcome. Good bye. Sentence7: The Missing Sock is in the east part of town and it serves International food. Sentence8: Is there anything else I can do for you? Sentence9: The phone number for The Missing Sock is 01223 812660. Sentence10: Thank you for using our system and please return with any other inquiries. Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System