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.

Q: 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.

A: after inhaling
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Q: Question: If Milo traps gases in a small chamber after having them in a large chamber, what will happen to the rate of collisions between gas particles? 
 Option1: increase 
 Option2: decrease 
 Explanation: This means the rate of diffusion is much slower in liquids than in gases, because the particles of a gas are further apart and collide much less.

A: increase
****
Q: Question: Compared to Mercury, which is the closest planet to the Sun, would Neptune, which is the furthest planet from the Sun have a 
 Option1: larger orbit 
 Option2: smaller orbit? 
 Explanation: The planets further from the Sun will have bigger orbits, and therefore take longer to revolve around the Sun.

A:
larger orbit
****