Columns may support a roof.Logical formLearned from11 sentences. A roof can be bare.Logical formLearned from11 sentences. Green roofs can be for cities.Logical formLearned from11 sentences. A roof may pertain-to a closet.Logical formLearned from11 sentences. (Housing prices) may go through a roof.Logical formLearned from11 sentences. A cluster can be constituted-of-or-filled-with roofs.Logical formLearned from11 sentences. A roof can be concave.Logical formLearned from11 sentences. Runoff can be from roofs.Logical formLearned from11 sentences. A roof can be horizontal.Logical formLearned from11 sentences. A roof can be faulty.Logical formLearned from11 sentences. A person may stay under a roof.Logical formLearned from11 sentences. A roof can be trussed.Logical formLearned from11 sentences. Roofs can be crumpled.Logical formLearned from11 sentences. Suitcases may be piled on roofs.Logical formLearned from11 sentences. A retractable roof can be over a centre-court.Logical formLearned from11 sentences.