Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Addenbrookes Hospital is located at Hills Rd, Cambridge. Is there a particular department you're looking for? Sentence2: No, I just need the phone number, address and postcode please. Sentence3: welcome. at your service next time Sentence4: No that is all. Thank you. Sentence5: I want a hospital in town. Sentence6: You as well. Goodbye. Sentence7: Great! Have a nice day! Sentence8: Addenbrookes Hospital is located at Hills Rd, Cambridge, postcode CB20QQ. General phone number is 01223245151. Can I help with anything else? Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System