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

Input: Consider Input: Seedless and seed are the two divisions of vascular plants.

Output: What are the two divisions of vascular plants?


Input: Consider Input: A bow wake is created when the wave source moves faster than the wave propagation speed.

Output: What is created when the wave source moves faster than the wave propagation speed?


Input: Consider Input: Galvanic kind of a process is corrosion.


Output: What kind of a process is corrosion?