Opposition can be environmental.Logical formLearned from161 sentences. Norms can be environmental.Logical formLearned from161 sentences. Situations can be environmental.Logical formLearned from160 sentences. An aspect can be environmental.Logical formLearned from160 sentences. Environmental issues can be serious.Logical formLearned from159 sentences. Exposure can be to environmental (tobacco smoke).Logical formLearned from159 sentences. Environmental issues can be complex.Logical formLearned from159 sentences. Ills can be environmental.Logical formLearned from158 sentences. Ones can be environmental.Logical formLearned from158 sentences. A chamber can be environmental.Logical formLearned from157 sentences. An event can be environmental.Logical formLearned from157 sentences. A mess can be environmental.Logical formLearned from157 sentences. An auditing can be environmental.Logical formLearned from157 sentences. A reform can be environmental.Logical formLearned from157 sentences. Items can be environmental.Logical formLearned from156 sentences.