“h. Start a collection of question marks.”
— Lorenzo De Rita, Alphabet of Assignments, The Photographer’s Playbook, p. 81
The list of assignments in that page was more of an exercise in absurdity that the author made than a list of actual assignments. Examples are, “Demonstrate the validity of this emotional mathematics equation: 11+22=8”, “Do everything you can to do nothing”, etc.
Anyway, I started collecting some question marks (one is greek):