Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: How about Caffe Uno, they are in the centre area. Their address is 32 Bridge Street City Centre and their phone number is 01223 448620. Sentence2: Perfect, thank you! Sentence3: I'm sorry, but I cannot find any expensive Lebanese restaurants. Sentence4: Thank you. Good bye Sentence5: Hello, I am looking for an expensive restaurant that serves Lebanese food. Sentence6: Can I get the address, phone number, and area of an Italian restaurant? Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System