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.

Example Input: Question: The four stages of the water cycle are evaporation, condensation, precipitation, and collection. What happens after the last step of this cycle, and all cycles? Answer: it repeats.
Example Output: a cycle happens repeatedly

Example Input: Question: Obstacles that might impede a dune are? Answer: cacti.
Example Output: sand dunes are made of sand

Example Input: Question: Water needs to be clean in order for someone to safely drink it. Drinking polluted water is bad because it is the same as drinking? Answer: poison.
Example Output:
polluting means something poisonous is added to an environment causing harm to the environment