(Breathing difficulties) may be caused by exertion.Logical formLearned from2 sentences. A (breathing tube) can be out.Logical formLearned from2 sentences. Paramedics may insert a (breathing tube).Logical formLearned from2 sentences. A male may arrive with (breathing problems).Logical formLearned from2 sentences. A breathing can be uninterrupted.Logical formLearned from2 sentences. Persons may work on breathing.Logical formLearned from2 sentences. A principle may impede breathing.Logical formLearned from2 sentences. An (oxygen hose) may supply a (crew compartment) with (breathing air).Logical formLearned from2 sentences. A company may gain (breathing room) from creditors.Logical formLearned from2 sentences. Some club may offer guests (breathing room).Logical formLearned from2 sentences. Part may pertain-to a breathing.Logical formLearned from2 sentences. Normal breathing may be established.Logical formLearned from2 sentences. A (breathing fire) can be about a threat.Logical formLearned from2 sentences. Breathing may be followed by a mantra.Logical formLearned from2 sentences. Astronauts may activate (emergency breathing packs).Logical formLearned from2 sentences.