A sentence has been given with a blank to be filled with an appropriate option. Choose the correct alternative. 

It's _________ for someone to buy a product that contains no sugar.

easier 

The correct answer is easier.

The sentence is saying that it is not difficult for someone to buy a product that contains no sugar. The word easier means "not as difficult". The other words in the options have different meanings.

• Easiest means "most easy".
• Easily means "without difficulty".
• Ease means "the state of being free from difficulty".