The first sentence states a fact. It can be verified by looking up the average length of a Burmese python.
The typical length of a Burmese python is sixteen to twenty-three feet.
The second sentence states an opinion. Should indicates a personal judgment.
Parents should not allow their children to keep Burmese pythons as pets.
Which sentence states a fact?
A: The typical length of a Burmese python is sixteen to twenty-three feet.
B: Parents should not allow their children to keep Burmese pythons as pets.