An (air quality) may undergo a deterioration.Logical formLearned from15 sentences. (Living conditions) may undergo a deterioration.Logical formLearned from15 sentences. A deterioration can be in a (trade deficit).Logical formLearned from15 sentences. A deterioration can be spiritual.Logical formLearned from15 sentences. A heart may undergo a deterioration.Logical formLearned from15 sentences. A deterioration can be in an ability.Logical formLearned from15 sentences. Cartilage may undergo a deterioration.Logical formLearned from15 sentences. Deterioration may continue.Logical formLearned from15 sentences. A deterioration can be in finances.Logical formLearned from15 sentences. A deterioration can be in a (peace process).Logical formLearned from15 sentences. Schools may undergo a deterioration.Logical formLearned from15 sentences. A deterioration can be terrible.Logical formLearned from15 sentences. Response can be to deterioration.Logical formLearned from15 sentences. (Lung function) may undergo a deterioration.Logical formLearned from15 sentences. Human rights may undergo a deterioration.Logical formLearned from15 sentences.