Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Meghna is an indian restaurant in the west part of town and in the moderate price range. Sentence2: Can you find me a moderately priced restaurant in the west ? Sentence3: Thank you good bye. Sentence4: thank you Sentence5: 01223 727410 Sentence6: Thank you for using this system. Goodbye. Sentence7: Thank you . Good bye Sentence8: What is the phone number? Question: Who has spoken the sentence 6? (A) User (B) System
Output:
Answer: (A) User