Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: No, that's all I needed. Thanks for your help today! Sentence2: Can you search for a guesthouse that includes free wifi? Sentence3: The Avalon doesn't have room for 5 nights starting Monday. How about a different day or a shorter stay? Sentence4: That sounds perfect. Can I book it for 5 nights starting on Monday for 3 people? Sentence5: No, that doesn't matter, but I'd like something in the moderate price range. Sentence6: Avalon is available for four nights starting on Monday. Your reference number is 59GZA6ME . Can I do anything else for you? Sentence7: There are 14 options. How about the Avalon? It has 4 stars and free parking and wifi. Sentence8: You are welcome. Thank you for calling the Cambridge TownInfo Centre. Goodbye. Sentence9: Let's try 4 nights. Sentence10: We have 23 such places. Any preference on area? Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System