An environmental policy can be toxic.Logical formLearned from18 sentences. A river can be toxic.Logical formLearned from18 sentences. A process can be toxic.Logical formLearned from18 sentences. A cyanobacteria can be toxic.Logical formLearned from18 sentences. Benzenes can be toxic.Logical formLearned from18 sentences. A lake can be toxic.Logical formLearned from18 sentences. Zones can be toxic.Logical formLearned from18 sentences. Results can be toxic.Logical formLearned from18 sentences. A microorganism can be toxic.Logical formLearned from18 sentences. Sources can be constituted-of-or-filled-with toxic substances.Logical formLearned from18 sentences. A (chemical contamination) can be toxic.Logical formLearned from18 sentences. A fumigant can be toxic.Logical formLearned from18 sentences. (Milk products) can be toxic.Logical formLearned from18 sentences. A (dump site) can be toxic.Logical formLearned from18 sentences. A stream can be toxic.Logical formLearned from18 sentences.