<human>: Goal: How can I help keep my house cooler in the summer time?

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- To help keep your house cooler in the summer time, you can use plastic wrap to line your windows to reflect heat and light from the sun.
- To help keep your house cooler in the summer time, you can use aluminum foil to line your windows to reflect heat and light from the sun.
<bot>: To help keep your house cooler in the summer time, you can use aluminum foil to line your windows to reflect heat and light from the sun.