Section 1(e) - The window
The window is scenery in the Office. "The open window looks down upon the courtyard and adjoining buildings far below." Instead of searching the window, try examining the buildings. The buildings are scenery in the Office. Understand "courtyard" and "adjoining" as the buildings. The description of the buildings is "The grounds lie far below - the hard cobbles of the courtyard lead in all directions towards a clump of buildings to the west, all enclosed by an outer wall and roof above." Instead of searching the window, try examining the window. Instead of climbing the window: try entering the window.
Understand "climb through [something]", "climb over [something]", "Climb out [something]", "climb out of [something]", "jump through [something]", "jump out [something]", "jump out of [something]", "jump over [something]", "climb over [something]", "jump off [something]" as climbing.
Instead of entering the window:
now the player is dead;
say "It's as simple as that, then -- as the thought leaps outward, so does the body. And then all is open air and blowing wind, and the moment stretched - elongated along some impossible axis - one choice out of a million possibilities, outstretched in flight...[paragraph break]";
perform Ending A.