Goal and options: To drink Sports drinks without gaining weight,
output answer: water down the beverage and only consume after a work out.

Goal and options: how to make a mulled red wine
output answer: Heat 3/4 cup each sugar and water in a saucepan until the sugar dissolves. Off the heat, add 2 strips lemon zest, 10 black peppercorns, 3 cloves, 2 cinnamon sticks, 1/2 cup each orange liqueur and gin and 1 bottle red wine. Steep 5 minutes.

Goal and options: To keep Space Shuttle Rocket Stove from cooling too quickly.
output answer:
Use an outer body made of steel.