Butterflies are prettier and more fun to watch than moths. Butterflies are better at flying than moths. Butterflies and moths are much happier during the daytime. Butterflies and moths have equal numbers of legs.
I gave my students this multiple choice question: Which comparison of butterflies and moths is a statement of fact?

Only one answer is correct among these 4 choices:
- Butterflies are prettier and more fun to watch than moths.
- Butterflies are better at flying than moths.
- Butterflies and moths are much happier during the daytime.
- Butterflies and moths have equal numbers of legs.

Could you tell me which one is correct?

Butterflies and moths have equal numbers of legs.