Goal and options: Darken black clothing.
output answer: Add 2 cups off coffee grounds to washing machine.

Goal and options: To make rock candy
output answer: Bring one cup of water to a boil in a saucepan and dissolve a quarter cup of white sugar into it, until no more will dissolve. Still eating and stirring, keep adding more sugar, stirring each time until it dissolves, until you've added three cups of sugar. Remove from the heat and allow to cool. Dip a bamboo skewer into the solution, remove and roll in sugar. Pour the solution into a jar. Use a clothes pin to hold the skewer aloft over the solution with one end dipped thoroughly into it. Wait seven days for the rock candy to farm.

Goal and options: How do you get a strike in bowling?
output answer:
Knock down every pin in 1 roll.