A roof can be gabled.Logical formLearned from20 sentences. A feature can be a roof.Logical formLearned from20 sentences. Roofs may pertain-to a nave.Logical formLearned from20 sentences. A house can be with a roof.Logical formLearned from20 sentences. A roof can be in shape.Logical formLearned from20 sentences. A strength may pertain-to a roof.Logical formLearned from20 sentences. Roofs can be pitched.Logical formLearned from20 sentences. A roof may pertain-to a dwelling.Logical formLearned from20 sentences. A roof may work.Logical formLearned from20 sentences. Roofs can be snow-covered.Logical formLearned from20 sentences. Damage can be to a roof.Logical formLearned from20 sentences. Roof can be over heads.Logical formLearned from20 sentences. Complaint can be about (metal roofs).Logical formLearned from20 sentences. Systems can be for roofs.Logical formLearned from20 sentences. A (roof garden) can be ulterior.Logical formLearned from20 sentences.