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: After the pile of tires at the landfill caught on fire, the smoke released into the air made the air quality 
 Option1: better? 
 Option2: worse 
 Explanation: More pollutants mean poorer air quality.

SOLUTION: worse

PROBLEM: Question: The least massive objects have _____ gravity than more massive objects. 
 Option1: higher 
 Option2: lower 
 Explanation: Less massive objects also have less gravity than more massive objects.

SOLUTION: lower

PROBLEM: Question: Adam had a large larynx as a child, but after his larynx shrunk for some reason, his voice got 
 Option1: higher 
 Option2: deeper 
 Explanation: The voice becomes deeper as the larynx in the throat grows larger.

SOLUTION:
higher