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: An increase in birth rates indicates a/an _____ in the food supply.
Answer: increase
Example Output: Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.

Example Input: Question: Henry noticed that his piece of cake was lighter than his piece of butter. The cake was _____ dense.
Answer: less
Example Output: A given volume of a denser substance is heavier than the same volume of a less dense substance.

Example Input: Question: Dan was excited to try out an electromagnet but was later disappointed when it wasn't very effective. He knew however that if he changed the current he could make it stronger. How should he adjust the current?
Answer: increase it
Example Output:
The more current, the stronger the electromagnet.