Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Find me an expensive restaurant in the south please. Sentence2: There are 5 results. Would you like chinese, indian, italian, or mexican food? Sentence3: 10 Hometown Street City Centre and phone is 01223354755 Sentence4: I would like a restaurant that serves Chinese food. Sentence5: No, I'm just interested in the address and phone number right now. Sentence6: There are two great choices. The good luck chinese food takeaway and the peking restaurant. Would you like me to book you one? Question: Who has spoken the sentence 2? (A) User (B) System
Output:
Answer: (A) User