Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: The best match to your request is the missing sock located at Finders Corner Newmarket Road. Sentence2: What is the phone number and postcode? Sentence3: Can you please recommend an inexpensive restaurant in the East part of town? Sentence4: Their phone number is 01223 812660 and their postcode is C.B 25, 9 A.Q. Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System