Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Example Input: The majority of arthropods live on land.
Example Output: Where do the majority of arthropods live?

Example Input: Bones are made up of different types of tissue.
Example Output: Bones are made up of different types of what?

Example Input: Sunlight is the main source of energy for all of the organisms in most food chains.
Example Output:
What is the main source of energy for all of the organisms in most food chains?