Question

which sentence states a fact?
parents should not allow their children to keep burmese pythons as pets.
the typical length of a burmese python is sixteen to twenty - three feet.

Explanation:

A fact is a verifiable statement with objective truth. The first sentence is a prescriptive opinion, while the second can be measured/verified.

Answer:

The typical length of a Burmese python is sixteen to twenty-three feet.