You are given a sentence and your task is to generate another sentence that supports the given input.

Example Input: 3. Decomposers- are in charge of cleaning up the environment by decomposing and freeing dead matter for recycling back into the ecosystem.
Example Output: A primary role of decomposers in an ecosystem is that they cycle matter by returning carbon and other matter to the ecosystem.

Example Input: Placental mammals give birth to a relatively large and mature fetus.
Example Output: Placental mammals give birth to relatively large fetuses.

Example Input: Exposure to radiation or cancer-causing chemicals may cause DNA  mutations in many organs, but these factors have not been proven to be important causes of mutations in prostate cells.
Example Output:
Cancer is caused by mutations, which can be caused by pathogens, chemicals, or radiation.