Chapter - Plans
A plan is a kind of thing.
Requirement relates one plan (called the objective) to various things. The verb to require (he requires, they require, he required, it is required, he is requiring) implies the requirement relation.
Definition: a plan is in progress if a handled thing is required by it. Definition: a plan is complete if two handled things are required by it.
A thing can be noted as useful. Every turn when noun is a thing and noun is required by a plan and noun is not noted as useful: note noun as useful.
To note (item - a thing) as useful: now item is noted as useful; say "Hey, that [item] might be useful if you decide on [objective of item]."
Staying the night is a plan. Staying the night requires the emergency blanket and some canned oranges.
The roll of duct tape and the gas can are required by a plan called Fixing the truck.
The printed name of fixing the truck is "fixing your truck and getting out of here". The printed name of staying the night is "spending the night here".
Every turn when doing something to smell of gasoline and gas can is not noted as useful: note gas can as useful. Every turn when doing something to cans of food and canned oranges are not noted as useful: note canned oranges as useful.
For printing the name of canned oranges while canned oranges are off-stage: say "food". For printing the name of gas can while gas can is off-stage: say "gas".
[Chapter - Recognized and Familiar
Definition: a room is recognized if it is adjacent to location and it is visited. Definition: a room is unfamiliar if it is adjacent to location and it is not visited.
The description of lighter is "[if the number of unfamiliar rooms is at least 1]You'll want a smoke before long, but for now you're itching to see what else is around.[otherwise]Now that you've got your bearings a little, a smoke does sound nice.[end if]".]