Turn the given fact into a question by a simple rearrangement of words. This typically involves replacing some part of the given fact with a WH word. For example, replacing the subject of the provided fact with the word "what" can form a valid question. Don't be creative! You just need to rearrange the words to turn the fact into a question - easy! Don't just randomly remove a word from the given fact to form a question. Remember that your question must evaluate scientific understanding. Pick a word or a phrase in the given fact to be the correct answer, then make the rest of the question. You can also form a question without any WH words. For example, "A radio converts electricity into?"

Example Input: Fact: Cynodonts became therapsids as they continued to evolve.
Example Output: Cynodonts became what as they continued to evolve?

Example Input: Fact: Breezes are caused by uneven heating of the Earth's surface.
Example Output: What causes breezes?

Example Input: Fact: an acid changes the hue of litmus paper from blue to red.
Example Output:
What hue does acid change litmus paper to?