In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

Input: Consider Input: Question: objects made of what cause refraction of light? Answer: melted sand.

Output: objects made of glass cause refraction of light


Input: Consider Input: Question: Certain countries make it illegal to bring in certain species of animals that breed very fast because that will lead to? Answer: overpopulation.

Output: if the population of an organism increases then the ecosystem may become overpopulated with that organism


Input: Consider Input: Question: Which is true? Answer: hot coffee can injure due to its temperature.


Output: if an object is hot then the surfaces of that object are hot