input question: What is needed to make a hammer from a railroad spike?

OPTIONS:
- You will need railroad spike.
- You will need a wooden spike.

output answer: You will need railroad spike.

input question: To clean the lens of your camera,

OPTIONS:
- dab a Q-tip in alcohol, apply and thin coat to the lens, and let it evaporate.
- dab a needle in alcohol, apply and thin coat to the lens, and let it evaporate.

output answer: dab a Q-tip in alcohol, apply and thin coat to the lens, and let it evaporate.

input question: How can you keep from marking your wall with doorknobs hitting it?

OPTIONS:
- Place a tennis racket on the knob so that it will guard the wall from the knob edge.
- Place a tennis ball on the knob so that it will guard the wall from the knob edge.

output answer:
Place a tennis ball on the knob so that it will guard the wall from the knob edge.