Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: No problem. Are you finished? Sentence2: Where will you be going to? Sentence3: I will be going to the cow pizza kitchen and bar. Sentence4: Ok thank you for your assistance. Sentence5: Ok I have a red bmw with contact number 07932775805 booked for you. Sentence6: I need a taxi to leave at 03:45 and get me from the cambridge belfry Question: Who has spoken the sentence 1? (A) User (B) System
Output:
Answer: (B) System