[Q]: Objective: how do you sign something?
[A]: write your name on it in cursive.

[Q]: Objective: To block someone in a basketball game,
[A]: jump up and hit the basketball away from the basket as they shoot the ball.

[Q]: Objective: How do I prevent my mirror from developing black spots?
[A]: Take preventative measures from creating a black spot-prone environment for your bathroom mirror. Be careful when washing your hands or face or brushing your teeth next to the mirror, and keep water in the sink as much as possible. Dry off the edges of your mirror if it comes in contact with moisture.

[Q]: Objective: To chop onions, you can
[A]:
Remove the skin and clean them