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

[Q]: Soft of these best describes the way a feather feels.
[A]: Which of these BEST describes the way a feather feels?


[Q]: As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous cytoplasm.
[A]: As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous what?


[Q]: Living echinoderms aredivided into five clades.
[A]:
What are living echinoderms divided into five of?