You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
You are given a sentence and your task is to generate another sentence that supports the given input.

In spite of this reduced heat input, the surface temperature of Venus is higher than that of the Earth.
Solution: Venus has a warmer average surface temperature than earth.
Why? Output statement supports the input statement's claim about the temperatures of Venus being higher than the earth.

New 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.
Solution:
Cancer is caused by mutations, which can be caused by pathogens, chemicals, or radiation.