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

Ex Input:
The cytoskeleton holds cell organelles in place within the cytoplasm.

Ex Output:
What part of the cell holds cell organelles in place within the cytoplasm?

Ex Input:
Are humans a new or old species on the earth?

Ex Output:
Are humans a new or old species on the earth?

Ex Input:
Bone tissues include compact bone, spongy bone, bone marrow, and?

Ex Output:
Bone tissues include compact bone, spongy bone, bone marrow, and?