Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Okay what is the phone number and postcode of that mediterranean place? Sentence2: Thank you for using the Cambridge restaurant system. Goodbye. Sentence3: Thank You Sentence4: The Gardenia is located in the centre at postcode C.B 2, 3 L.L and can be reached at 01223 356354. Can I get anything else for you? Sentence5: There are no Jamaican restaurants listed. I will look for Mediterranean. Sentence6: A cheap jamaican restaurant, please. If you cannot find one, then mediterranean. Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System