[Q]: Objective: how do you know a dog is on its period? OPTIONS:
- check for blood by it's genitals.
- check for moodiness.
[A]: check for blood by it's genitals.

[Q]: Objective: How to remove paint chips or wheel rust? OPTIONS:
- You can use a wire brush and elbow grease, a wire brush attached to a drill, or a wire brush attached to an angle grinder. After cleaning with the wire brush, sand the wheel first with 300 grit sandpaper and then 500 grit sandpaper. After sanding, go over entire wheel with steel wool until you have a smooth finish.
- You can use a sponge and elbow grease, a sponge attached to a drill, or a sponge attached to an angle grinder. After cleaning with the wire brush, sand the wheel first with 300 grit sandpaper and then 500 grit sandpaper. After sanding, go over entire wheel with steel wool until you have a smooth finish.
[A]: You can use a wire brush and elbow grease, a wire brush attached to a drill, or a wire brush attached to an angle grinder. After cleaning with the wire brush, sand the wheel first with 300 grit sandpaper and then 500 grit sandpaper. After sanding, go over entire wheel with steel wool until you have a smooth finish.

[Q]: Objective: To protect an object from getting wet in a rain storm. OPTIONS:
- cover the object with a sheet of plastic.
- cover the object with a sheet of paper.
[A]: cover the object with a sheet of plastic.

[Q]: Objective: cardboard OPTIONS:
- makes a sign when wet
- makes a funny smell when wet
[A]:
makes a funny smell when wet