Which sentence states a fact?
A: Frogs have the strangest feet of any animal.
B: A horse's foot contains a part known as the "frog."
The second sentence states a fact.
A horse's foot contains a part known as the "frog."
It can be proved by checking a drawing of a horse's foot.
The first sentence states an opinion.
Frogs have the strangest feet of any animal.
Strangest shows what a person believes, thinks, or feels. Another person might have a different opinion about which animal has the strangest feet.