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: suspension bridges have support.
Example Output: What are the supports on some bridges made of?

Example Input: Fact: Smog contains matter suspended in air.
Example Output: What contains matter suspended in air?

Example Input: Fact: One-celled animals can be partially classified on the basis of how they move.
Example Output:
Movement is one classification method for what?