Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Yes that is the full address given on our system. The postcode is CB20QQ if that is of any help. Sentence2: Is Hills Rd the full hospital address? Sentence3: Alright. Thank you for all of your help. Have a great day. Sentence4: No, just the general number and address please. Sentence5: i want to find a hospital in town Sentence6: You too, hope you feel better Sentence7: The phone number is 01223245151. Sentence8: Addenbrookes Hospital is located on Hills Rd, Cambridge. Is there a department you're needing the phone number for? Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System