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: If greenhouse gas were to be halved, the global temperature would 
 Option1: increase 
 Option2: decrease 
 Explanation: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
[EX A]: decrease

[EX Q]: Question: Will takes away half of a rock. The total surface area of the rock has now 
 Option1: decreased 
 Option2: increased 
 Explanation: As rock breaks into smaller pieces, the surface area of the pieces increases.
[EX A]: decreased

[EX Q]: Question: If Mona is building an electrical machine and she increases the length of the wire feeding power to it, what happens to the resistance of that wire? 
 Option1: increases 
 Option2: decreases 
 Explanation: Longer wires have more resistance than shorter wires.
[EX A]:
increases