Teacher:You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Teacher: Now, understand the problem? Solve this instance: Sentence1: What is the phone number? Sentence2: Find them at Hills Rd, Cambridge, CB20QQ Sentence3: That is all I needed, good bye. Sentence4: No I do not. Thank you for your help. Sentence5: Am injured and are looking for a hospital nearby. Sentence6: Glad I could help. Is there anything else I can do for you? Sentence7: Addenbrookes Hospital's phone number is 01223245151. Do you need a specific hospital unit? Sentence8: Thank you for using our services. Question: Who has spoken the sentence 4? (A) User (B) System
Student:
Answer: (A) User