You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: No that's all I needed thank you! Sentence2: I need to find the nearest hospital. Sentence3: The nearest hospital is Addenbrookes. The phone number is 01223245151. Do you need a specific department? Sentence4: You are welcome. Is there anything else I can assist you with today? Sentence5: We are happy to help. Thank you for using our service. Sentence6: No, that is it thank you! Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System