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

Example Input: The heterotroph eats only or mainly plants.
Example Output: The heterotroph eats only or mainly what?

Example Input: A hookworm is classified as a parasite.
Example Output: A hookworm is classified as what type of organism?

Example Input: Viral infection of multicellular eukaryotes is usually limited to particular tissues.
Example Output:
Which infection of multicellular eukaryotes is usually limited to particular tissues?