Frogs can be cute.Logical formLearned from17 sentences. A frog may sit.Logical formLearned from17 sentences. Frogs can be colorful.Logical formLearned from17 sentences. Frogs may be affected by a chemical.Logical formLearned from17 sentences. Frogs may be exposed to levels of atrazine.Logical formLearned from17 sentences. Some frogs may develop into hermaphrodites.Logical formLearned from17 sentences. A frog may have wings.Logical formLearned from17 sentences. A head may pertain-to a frog.Logical formLearned from17 sentences. Frogs can be exotic.Logical formLearned from17 sentences. Frogs can be terrestrial.Logical formLearned from16 sentences. Species can be constituted-of-or-filled-with narrow-mouthed frogs.Logical formLearned from16 sentences. Species can be constituted-of-or-filled-with (poison dart frogs).Logical formLearned from16 sentences. A back may pertain-to a frog.Logical formLearned from16 sentences. A frog can be in a blender.Logical formLearned from16 sentences. A fungus may kill frogs.Logical formLearned from16 sentences.