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.
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Question: Question: If the people in Mary's country start to create less greenhouse gases, what will happen to the possibility that changes may occur? 
 Option1: increase 
 Option2: decrease 
 Explanation: As greenhouse gases increase, changes will be more extreme.

Answer: decrease


Question: Question: Mary loves to dive in the ocean. What will happen to the water as she dives deeper? 
 Option1: darker 
 Option2: lighter 
 Explanation: The deeper you go, the darker the water gets.

Answer: darker


Question: Question: If Mona is pushing some toy cars around and she knows that the mass of the truck is more then the mass of the car, which one will accelerate faster when she pushes it? 
 Option1: truck 
 Option2: car 
 Explanation: The greater the mass of an object, the less it will accelerate when a given force is applied.

Answer:
car