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: Erin is trying to get her solution to have a pH as far from zero as possible. The best way for Erin to do that is to have the acidity of the solution 
 Option1: decrease 
 Option2: increase 
 Explanation: The more acidic a solution is, the closer its pH value will be to 0

A: decrease
****
Q: Question: Evan is a farmer and needs to plant on a slope. For a slower flow of water, he should choose a slope that is 
 Option1: steeper 
 Option2: gentler 
 Explanation: A gentle slope favours slower flow of surface water, reduces erosion, and increases availability of water to plants.

A: gentler
****
Q: Question: Jim has never been a smoker. If he suddenly starts smoking cigarettes the amount of oxygen available in his lungs 
 Option1: increases 
 Option2: decreases 
 Explanation: Smoking reduces the amount of oxygen available for diffusion at the lungs, so less oxygen gets absorbed and blood is oxygenated to a lesser degree.

A:
decreases
****