Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: What is the price range? Sentence2: I would like to find the Anatolia restaurant please. Sentence3: No, I'm all set. Thanks! Bye! Sentence4: It is in the moderate price range. Would you like a reservation? Sentence5: I have that place here, the adress is 30 Bridge street City Centre, postcode cb21uj Sentence6: Have a wonderful day. Question: Who has spoken the sentence 4? (A) User (B) System
Output:
Answer: (A) User