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.

[EX Q]: Question: Hundreds of years ago there were fewer people on the Earth than there are today. Because of this, there was 
 Option1: more water 
 Option2: less water. 
 Explanation: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.
[EX A]: more water

[EX Q]: Question: Jeff heated the pot of boiling water. What happens to the dissolved oxygen contained within the water? 
 Option1: it increases 
 Option2: it decreases 
 Explanation: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.
[EX A]: it decreases

[EX Q]: Question: If Mona owns a greenhouse and she decides to open r the top up to increase sunlight, what happens to her plant's ability to make food? 
 Option1: increases 
 Option2: decreases 
 Explanation: Less photosynthesis means that plants and phytoplankton produce less food.
[EX A]:
increases