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: Rita added more food to the box. It is now _____ to move. 
 Option1: harder 
 Option2: easier 
 Explanation: The full box is harder to move because it has greater mass and therefore greater inertia.

A: harder
****
Q: Question: In a science class, the professor demonstrates refraction to the class. First, the professor shows a curved lens from a binocular, and then a flat pane of glass, demonstrating that 
 Option1: the curved lens refracts less light 
 Option2: the flat pane refracts less light. 
 Explanation: The more curved the surface of a lens is, the more it refracts the light that passes through it.

A: the flat pane refracts less light.
****
Q: Question: Ian's town had more deaths this year since the food supply changed, which means that this year the food amounts were 
 Option1: increased 
 Option2: decreased 
 Explanation: More recently, the death rate has fallen because of the availability of more food and medical advances.

A:
decreased
****