You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.

Question: Jeff takes a breath and lets it out. When do his lungs experience the least air pressure? 
 Option1: after inhaling 
 Option2: after exhaling 
 Explanation: Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.
after inhaling

Question: David is getting ready to fly into space on a rocket. As the rocket shoots upwards, part of the mass attaches, allowing the rocket to go 
 Option1: higher 
 Option2: lower 
 Explanation: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
lower

Question: John stretched a rubber band, making it larger and then smaller. The less he stretches the rubber band will it have _____ elastic potential energy? 
 Option1: more 
 Option2: less 
 Explanation: The more an elastic object is stretched or compressed, the greater its elastic potential energy is.

less