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: You're welcome. Goodbye. Sentence2: That's all I needed, thanks so much for your help! Sentence3: It is on Hills Rd in Cambridge. The telephone number is 01223245151. Sentence4: What is the postcode? Sentence5: I am looking for the Addenbrookes Hospital please. Sentence6: The postcode is CB20QQ. Can I help with anything else? Question: Who has spoken the sentence 3? (A) User (B) System
Student:
Answer: (B) System