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

Ex Input:
Although they differ vastly in hardness, pencil lead and diamonds both contain carbon.

Ex Output:
Although they differ vastly in hardness, pencil lead and diamonds both contain what element?


Ex Input:
Water, air, and milk list includes only examples of matter that can take the shape of a container.

Ex Output:
Which list includes only examples of matter that can take the shape of a container?


Ex Input:
Antibiotics only target prokaryotic cells - they do not affect fungi, which are not prokaryotic, but instead eukaryotic.

Ex Output:

Antibiotics only target prokaryotic cells - they do not affect fungi, which are not prokaryotic, but instead what?