Influences can be harmful.Logical formLearned from139 sentences. Microbes can be harmful.Logical formLearned from138 sentences. A practice can be harmful.Logical formLearned from133 sentences. Exposures can be harmful.Logical formLearned from132 sentences. Changes can be harmful.Logical formLearned from131 sentences. An influence can be harmful.Logical formLearned from127 sentences. Germs can be harmful.Logical formLearned from126 sentences. Pests can be harmful.Logical formLearned from126 sentences. Interactions can be harmful.Logical formLearned from117 sentences. (Greenhouse gases) can be harmful.Logical formLearned from117 sentences. Mutations can be harmful.Logical formLearned from113 sentences. Free radicals can be harmful.Logical formLearned from112 sentences. Subsidies can be harmful.Logical formLearned from112 sentences. Smoking can be harmful.Logical formLearned from112 sentences. Policies can be harmful.Logical formLearned from104 sentences.