<human>: Objective: Use a magnifying glass to kill an ant.

Which of the following solutions is more sound in terms of naive physics reasoning?

OPTIONS:
- When the sun is out, hold the magnifying glass above an ant at a distance so the suns rays focus on the ant.
- When the sky is full of clouds, hold the magnifying glass above an ant at a distance so the light rays focus on the ant.
<bot>: When the sun is out, hold the magnifying glass above an ant at a distance so the suns rays focus on the ant.