sentences: a toad is a mean of reptile
docs: true_toad is amphibian. toads is amphibians. black_toad is amphibian. true_toad is frog. common_toad is amphibian. mongolian_toad is toad. toads is aphibians. frogs_and_toads is amphibians. serpent is reptile. toad is venomous_animal.