instruction:
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:
Question: As Cindy swam closer to the ocean surface, it got lighter and _____. 
 Option1: warmer 
 Option2: cooler 
 Explanation: Water density increases as salinity and pressure increase, or as temperature decreases.
answer:
warmer


question:
Question: Will waves on the ocean be larger or smaller if they are caused by wind compared to rocks? 
 Option1: larger 
 Option2: smaller 
 Explanation: A wave caused by a disturbance with more energy has greater amplitude.
answer:
smaller


question:
Question: If Jim wants to increase the amount of acceleration applied to a baseball he must hit it 
 Option1: harder 
 Option2: softer 
 Explanation: The harder the batter hits the ball, the greater will be its acceleration.
answer:

harder