(Breathing problems) may stem from a relapse of a flu.Logical formLearned from4 sentences. (Breathing difficulties) can be in a (regression phase).Logical formLearned from4 sentences. An improvement can be in a breathing.Logical formLearned from4 sentences. A country may have (breathing space).Logical formLearned from4 sentences. Some (breathing space) can be between themselves.Logical formLearned from4 sentences. A position may impair a breathing.Logical formLearned from4 sentences. A (breathing rhythm) may pertain-to a male.Logical formLearned from4 sentences. Some employees may be treated for (breathing problems).Logical formLearned from4 sentences. A breathing may suffer.Logical formLearned from4 sentences. Firefighters can be with (breathing apparatus).Logical formLearned from4 sentences. Help can be in breathing.Logical formLearned from4 sentences. Cameras may help in detecting (someone breathing).Logical formLearned from4 sentences. An occupational disease can be by a breathing of dust.Logical formLearned from3 sentences. (Breathing difficulty) may be caused by virus.Logical formLearned from3 sentences. (Breathing smoke) can be from cigarettes.Logical formLearned from3 sentences.