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

Ex Input:
Some viruses carry a few viral enzyme molecules within their capsids.

Ex Output:
Some viruses carry a few viral enzyme molecules within their what?


Ex Input:
A hookworm is classified as a parasite.

Ex Output:
A hookworm is classified as what type of organism?


Ex Input:
Single-celled eukaryotes that share some traits with animals are also called?

Ex Output:

Single-celled eukaryotes that share some traits with animals are also called?