Direct answer
Objectives follow journal display order. Some depend on your choices; follow the active objective in the game.
Result
While muddling around the well-shaded village of Blackbough, Geralt happened across a notice. It stated a hunter named Niellen was looking for any help he could get in finding his wife, who had disappeared in the nearby woods a few days earlier. Geralt, already deep in a search-and-rescue vein, decided to help find the woman.
