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?"

Input: Consider Input: Fact: petroleum is formed from dead organisms over time.

Output: What forms petroleum over time?


Input: Consider Input: Fact: the method used by cells to reproduce is how organisms grow and repair themselves.

Output: the method used by cells to reproduce is how organisms grow and what?


Input: Consider Input: Fact: if an object is made of a material then it has the characteristics of that material.


Output: when an object is made from a material, what does it take on from that material?