TASK DEFINITION: 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.
PROBLEM: 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.

SOLUTION: lower

PROBLEM: Question: Kyle kicked a ball across the field. If he kicked it harder it will accelerate 
 Option1: more 
 Option2: less 
 Explanation: The greater the force that is applied to an object of a given mass, the more the object will accelerate.

SOLUTION: more

PROBLEM: Question: Micah is entering the atmosphere, and is approaching the Earth's surface. As he's passing through the troposphere, the air is going to get 
 Option1: warmer 
 Option2: colder 
 Explanation: Air in the troposphere is warmer closer to Earths surface.

SOLUTION:
warmer