(Dart frogs) can be poisonous.Logical formLearned from10 sentences. A croak may pertain-to a frog.Logical formLearned from10 sentences. Frog may march.Logical formLearned from10 sentences. Frogs may call.Logical formLearned from10 sentences. An army can be constituted-of-or-filled-with frogs.Logical formLearned from10 sentences. A person may ask frogs.Logical formLearned from10 sentences. Frogs may play (home games).Logical formLearned from9 sentences. Some families can be constituted-of-or-filled-with frogs.Logical formLearned from9 sentences. Some species can be constituted-of-or-filled-with (tree frogs).Logical formLearned from9 sentences. A (clawed frog) can be species of frogs.Logical formLearned from9 sentences. Frog can be in a family.Logical formLearned from9 sentences. Narrow-mouthed frogs may be found in a country.Logical formLearned from9 sentences. A frog can be primitive.Logical formLearned from9 sentences. Frogs may undergo a migration.Logical formLearned from9 sentences. A frog can be known.Logical formLearned from9 sentences.