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: A increase in the size of a telescope results in a/an _____ in ability to collect light. 
 Option1: increase 
 Option2: decrease 
 Explanation: Larger telescopes can collect more light.

SOLUTION: increase

PROBLEM: Question: A rock has more mass than a pebble. Which object will exhibit a smaller force of attraction? 
 Option1: rock 
 Option2: pebble 
 Explanation: The greater the objects mass, the greater the force of attraction; in addition, the greater the distance between objects, the smaller the force of attraction.

SOLUTION: pebble

PROBLEM: Question: Theresa decreased the amount of water in her pool. Rock would likely melt 
 Option1: faster 
 Option2: slower 
 Explanation: As the amount of water increases, the melting point of rock decreases.

SOLUTION:
slower