Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: You are welcome. Good bye. Sentence2: That's all the information I was looking for today. Thanks for your help. Sentence3: Thank you. Goodbye. Sentence4: The address is Hills Rd, Cambridge and the post code is CB20QQ. Is there anything else? Sentence5: Thank you, what is the address and postcode? Sentence6: gastroenterology hospital phone number is 01223274284 Sentence7: Can you find me a hospital with a gastroenterology department around here? Sentence8: Great! Have a nice day! Question: Who has spoken the sentence 2? (A) User (B) System
Output:
Answer: (A) User