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: Less oxygen absorption means _____ oxygen in the blood.
Answer: less
Example Output: Smoking reduces the amount of oxygen available for diffusion at the lungs, so less oxygen gets absorbed and blood is oxygenated to a lesser degree.

Example Input: Question: In ancient times, there was worse medicine. This means there was a _____ death rate.
Answer: higher
Example Output: More recently, the death rate has fallen because of the availability of more food and medical advances.

Example Input: Question: If Mona fills up a cup with water and places that water into the oven, what happens to the density of the water as it heats up?
Answer: decreases
Example Output:
When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.