Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Thanks, that's all. Good bye. Sentence2: No thank you. Sentence3: You can reach Addenbrookes Hospital at phone number 01223245151, and they are located at Hills Rd, Cambridge, postcode CB20QQ. Do you need further assistance? Sentence4: I need medical treatment. Sentence5: You are welcome. Enjoy your day. Sentence6: Thank you is there anything else Question: Who has spoken the sentence 4? (A) User (B) System
A:
Answer: (A) User