To unlock the "PRIORITIES" trophy in Detroit: Become Human, you must make a choice in the "MEET KAMSKI" chapter. The chapter is very straight-forward and always leads to the binary decision to:
.
By making this decision you get to ask Kamski some interesting questions, including an important clue if for whatever reason you haven't gathered enough information already:
If you choose the opposite option, you'll get this instead:
Note that making the decision that leads to the "PRIORITIES" trophy will get you in Hank's bad books, making it harder to unlock the following trophy: