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

Example Input: Question: Sandy is running around the house doing laps. The faster she runs, the amount of energy she has is 
 Answer: more
Example Output: Faster-moving water has more energy.

Example Input: Question: Dana is testing alkanes to see how they boil. She first heats up alkanes with more carbon atoms, and then some with fewer. The alkanes with more carbon atoms have a boiling point, compared to the other, that is 
 Answer: lower
Example Output:
Alkanes with more carbon atoms have higher boiling and melting points, so some of them are solids at room temperature.