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

[Q]: Hydras and sea anemones are examples of apolyp.
[A]: Hydras and sea anemones are examples of what form?


[Q]: Slimy smear does the bacteria look when seen with the naked eye.
[A]: How does the bacteria look when seen with the naked eye?


[Q]: An exploding firework is seen before it is heard observation demonstrates that light waves travel much faster than sound waves.
[A]:
Which observation demonstrates that light waves travel much faster than sound waves?