A staff may undergo a ceiling.Logical formLearned from11 sentences. Cracks may fall from ceilings.Logical formLearned from11 sentences. A male may make an entrance from a ceiling.Logical formLearned from11 sentences. Dust may fall from a ceiling.Logical formLearned from11 sentences. A gaze may be fixed on a ceiling.Logical formLearned from11 sentences. A ceiling may crumble.Logical formLearned from11 sentences. An aircraft may undergo a ceiling.Logical formLearned from11 sentences. Passengers may crash into a ceiling.Logical formLearned from11 sentences. Water may drip through a ceiling.Logical formLearned from11 sentences. A ceiling may undergo a replacement.Logical formLearned from11 sentences. A ceiling may pertain-to a country.Logical formLearned from11 sentences. An increase can be in a ceiling.Logical formLearned from11 sentences. A ceiling of a (car park) may collapse during a fire.Logical formLearned from11 sentences. An (oil output ceiling) may pertain-to a cartel.Logical formLearned from11 sentences. A hike can be in a (production ceiling).Logical formLearned from11 sentences.