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.

Question: Michel watched the slow waves hit shore with power. The waves were _____. 
 Option1: big 
 Option2: small 
 Explanation: The size of an ocean wave depends on how fast, over how great a distance, and how long the wind blows. The greater each of these factors is, the bigger a wave will be.
small

Question: If we find something with a high pH value that is likely to be 
 Option1: acidic 
 Option2: basic 
 Explanation: The higher the pH value is, the stronger the base.
basic

Question: Keely had just run a mile and was now running faster to _____ _____. 
 Option1: warm up 
 Option2: cool down 
 Explanation: When particles move more slowly, temperature is lower and an object feels cooler.

warm up