(Poison dart frogs) can be poisonous.Logical formLearned from2 sentences. Mussels can be poisonous.Logical formLearned from2 sentences. Substances can be poisonous.Logical formLearned from2 sentences. Buttercups can be poisonous.Logical formLearned from2 sentences. Belladonna can be poisonous.Logical formLearned from2 sentences. Fluorine can be poisonous.Logical formLearned from2 sentences. Co2 can be poisonous.Logical formLearned from2 sentences. Graphite can be poisonous.Logical formLearned from2 sentences. Poisonous plants may be used.Logical formLearned from2 sentences. Nitrogen can be poisonous.Logical formLearned from2 sentences. Shoots can be poisonous.Logical formLearned from2 sentences. Poisonous snakes may hide in bushes.Logical formLearned from2 sentences. A dog-wood can be poisonous.Logical formLearned from2 sentences. A liniment can be poisonous.Logical formLearned from2 sentences. A green snake can be poisonous.Logical formLearned from2 sentences.