You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: You're welcome. Have a nice day. Sentence2: No, that's all the information I need. Thank you! Sentence3: The Gonville Hotel actually offers both free wifi and free parking. Can I help you with booking a room there? Sentence4: It doesn't need to have free parking, but just by chance do they offer that? Sentence5: The gonville hotel is in the centre of town and has a 3 star rating. Sentence6: I am looking for a 3 star hotel in the centre of town Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System