In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Example Input: Question: To get the fastest reaction, raise the temperature of the reactants 
 Answer: higher or
Example Output: When the temperature of reactants is higher, the rate of the reaction is faster.

Example Input: Question: Terry's system wastes 50% of its energy, while Rick's system wastes 75%. The more efficient system is 
 Answer: Terry's
Example Output: The greater the wasted output energy, the less efficient the system.

Example Input: Question: As farming techniques are discovered, there are _____ people that starve and go hungry. 
 Answer: less
Example Output:
Better farming techniques and machines increased the food supply and the distribution of food.