Why does Professor Snape kill Dumbledore in "Harry Potter and the Half-Blood Prince"?
As part of Dumbledore’s plan to protect Draco Malfoy and gain Voldemort’s trust.
<s>[INST] <<SYS>> Answer as briefly as you can to the following question. You are required to give a one-shot answer: <</SYS>> Why does Professor Snape kill Dumbledore in "Harry Potter and the Half-Blood Prince"? [/INST] As part of Dumbledore’s plan to protect Draco Malfoy and gain Voldemort’s trust. </s>