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.

[Q]: Question: David spent a lot of money to buy tons of things for his house, but he ended up with a lot of things that were 
 Option1: wasted 
 Option2: saved 
 Explanation: Increased resource use generally means more waste; electronic waste from developed nations is a growing problem in the developing world.
[A]: wasted


[Q]: Question: If you fill a smaller canister with gas from a large canister will the density 
 Option1: increase 
 Option2: decrease 
 Explanation: If we take a certain amount of gas from one container and place it into another, larger container, the gas expandsto fill the larger container. The same mass of gas is now in a larger volume, the gas now has a lower density.
[A]: increase


[Q]: Question: What would happen to the size of the valley created by a tributary stream if the size of the stream were to be decreased? 
 Option1: the valley would be shallower 
 Option2: the valley would be deeper 
 Explanation: Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.
[A]:
the valley would be shallower