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

Example Input: Bees are naturalized on every continent except antarctica.
Example Output: Bees are naturalized on every continent except which?

Example Input: Collision frequency is greater for homogeneous category of catalysts, which also tend to be more sensitive to temperature and more 'expensive'.
Example Output: Collision frequency is greater for what category of catalysts, which also tend to be more sensitive to temperature and more 'expensive'?

Example Input: Band theory theory can explain virtually all the properties of metals.
Example Output:
What theory can explain virtually all the properties of metals?