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: Eileen studied two identically sized populations of women, one in Springfield where the women were in their 50s and one in Mayfield where the women were in their 30s. The population with a lower incidence of breast cancer was
Answer: Mayfield group.
Example Output: Breast cancer is rare in teens. It becomes more common as women get older.

Example Input: Question: Derek needs to be able to read really small print, so he reaches for a straight lens magnifying glass, which can magnify
Answer: less
Example Output: The more curved the convex lens is in a magnifying glass, the greater its ability to magnify objects.

Example Input: Question: A flu vaccine was administered to residents in a large city and the vaccine was ineffective in lowering the risk of flu among the residents. This means that the higher risk of disease resulted in a
Answer: higher death rate
Example Output:
With better food and less chance of disease, the death rate fell.