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 small nation decided to lower its production capabilities and shut down several large factories. Would the river next to the factories have 
 Option1: more hazardous waste 
 Option2: less hazardous waste? 
 Explanation: Nations that have more industry produce more hazardous waste.

SOLUTION: less hazardous waste?

PROBLEM: Question: What will happen to the levels of pollution on Earth if the population increases? 
 Option1: they will rise 
 Option2: they will fall 
 Explanation: For example, more people on the Earth means more people contributing to global warming and pollution.

SOLUTION: they will rise

PROBLEM: Question: Polly is analyzing climate change. She deduces that adding heat energy to the atmosphere would _____ to changes in precipitation patterns. 
 Option1: fix 
 Option2: cause 
 Explanation: Adding more heat energy to Earths atmosphere also causes more extreme weather and changes in precipitation patterns.

SOLUTION:
cause