Chunks of plaster may fall from ceilings.Logical formLearned from4 sentences. Pieces of ceiling may fall on a head.Logical formLearned from4 sentences. A (subway tunnel) may undergo a ceiling.Logical formLearned from4 sentences. Countries may break a ceiling.Logical formLearned from4 sentences. A country may talk about an (output ceiling).Logical formLearned from4 sentences. Powder may fall from a ceiling.Logical formLearned from4 sentences. A cathedral may undergo a ceiling.Logical formLearned from4 sentences. A federal agency may order (price ceilings) on (electricity sales).Logical formLearned from4 sentences. (Price ceilings) can be broad.Logical formLearned from4 sentences. (Price ceilings) can be on some sales.Logical formLearned from4 sentences. A new order can be for (price ceilings).Logical formLearned from4 sentences. Ceiling may buckle.Logical formLearned from4 sentences. Ceiling can be after ceiling.Logical formLearned from4 sentences. Remains may pertain-to a ceiling.Logical formLearned from4 sentences. Some (camera domes) may hang from a ceiling.Logical formLearned from4 sentences.