Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Thanks that is all. Goodbye. Sentence2: Take their phone number just in case: 01223358966. Anything else? Sentence3: Thank you so much for all of your help. Sentence4: The postcode is CB11JG. Sentence5: The closest police station is located at Parkside, Cambridge. Sentence6: Where is the closest police station located? Sentence7: Have a nice day, farewell. Sentence8: Could I have the postcode please? Question: Who has spoken the sentence 7? (A) User (B) System
Output:
Answer: (B) System