You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Sure thing! What time do you want to leave? Sentence2: I'd like for a taxi to take me to autumn house from travellers rest Sentence3: I want to arrive by 07:00, what time I leave is okay. Sentence4: There's a grey skoda that will be picking you up. You can contact the driver at 07605689057. Question: Who has spoken the sentence 1? (A) User (B) System
A:
Answer: (B) System