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: To get the fastest reaction, raise the temperature of the reactants 
 Option1: lower 
 Option2: higher or 
 Explanation: When the temperature of reactants is higher, the rate of the reaction is faster.

A: higher or
****
Q: Question: Milo's risk of developing cardiovascular disease are lesser when he is 
 Option1: older 
 Option2: younger 
 Explanation: Older age, male gender, and a family history of cardiovascular disease all increase the risk of developing cardiovascular diseases and cant be controlled.

A: younger
****
Q: Question: The population in Milo's city has been decreasing recently. What will happen to the city's level of water scarcity? 
 Option1: decrease 
 Option2: increase 
 Explanation: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.

A:
decrease
****