A person may breathe during exercise.Logical formLearned from3 sentences. A person may breathe air with radon.Logical formLearned from3 sentences. Persons may breathe in levels of perc.Logical formLearned from3 sentences. (Ventilation support) may ease problems with breathing.Logical formLearned from3 sentences. Persons may breathe for a sake of an economy.Logical formLearned from3 sentences. A person may breathe in amounts of benzene.Logical formLearned from3 sentences. A worker may be injured by breathing fumes.Logical formLearned from3 sentences. A crust may breathe with (ocean tides).Logical formLearned from3 sentences. Dust may interfere with breathing.Logical formLearned from3 sentences. Exposure can be from breathing air.Logical formLearned from3 sentences. A month may breathe.Logical formLearned from3 sentences. A male may breathe into disciples.Logical formLearned from3 sentences. Western winds may breathe.Logical formLearned from3 sentences. Persons may be exposed by breathing air.Logical formLearned from3 sentences. Cresols may breathe.Logical formLearned from3 sentences.