input question: To soothe the symptoms of a headache,

output answer: drink water and get plenty of rest.

input question: How to activate a glow stick

output answer: Remove the glowstick from the packaging. With both hands meeting in the middle of the stick, snap it as if snapping it in half. Shake until the stick is fully glowing.

input question: To clean rust from a stainless steel sink,

output answer:
apply one part vinegar and one part baking soda, let set for one hour, then scrub the area with a metal pad.