A roof may be made of slate.Logical formLearned from18 sentences. A (brick building) can be with a roof.Logical formLearned from18 sentences. A roof may pertain-to a farmhouse.Logical formLearned from18 sentences. A roof may pertain-to a world-city.Logical formLearned from18 sentences. A roof can be powered.Logical formLearned from18 sentences. A roof may pertain-to a penthouse.Logical formLearned from18 sentences. A roof can be corbelled.Logical formLearned from18 sentences. A roof can be cone-shaped.Logical formLearned from18 sentences. Columns may support a roof.Logical formLearned from18 sentences. A (vinyl roof) can be black.Logical formLearned from18 sentences. A roof of a mouth can be flat.Logical formLearned from18 sentences. A male may go through a roof.Logical formLearned from18 sentences. (Roof supports) can be mobile.Logical formLearned from18 sentences. An angle may pertain-to a roof.Logical formLearned from18 sentences. A roof can be blue.Logical formLearned from18 sentences.