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.

Input: Consider Input: Question: By pouring a pound of salt into a bucket of fresh water, could you cause the density of the water to 
 Option1: increase 
 Option2: decrease? 
 Explanation: Water density increases as salinity and pressure increase, or as temperature decreases.

Output: increase


Input: Consider Input: Question: If you tried to push a sack of unpopped popcorn or a sack of popped popcorn, both of the same volume, would it be easier to push the 
 Option1: sack of unpopped popcorn 
 Option2: sack of popped popcorn? 
 Explanation: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.

Output: sack of popped popcorn?


Input: Consider Input: Question: An hour after Tessa took a long run she noticed her veins were _____. 
 Option1: smaller 
 Option2: larger 
 Explanation: Increasing the diameter of the blood vessels increases the amount of blood and heat that moves near the skins surface.


Output: smaller