Roofs can be angled.Logical formLearned from13 sentences. A roof may pertain-to a portico.Logical formLearned from13 sentences. Pitched roofs can be steep.Logical formLearned from13 sentences. Roofs may be supported by frames.Logical formLearned from13 sentences. (Slate roofs) can be pitched.Logical formLearned from13 sentences. Roofs can be fixed.Logical formLearned from13 sentences. A roof may pertain-to a braincase.Logical formLearned from13 sentences. A roof may be used.Logical formLearned from13 sentences. A (glass roof) can be vaulted.Logical formLearned from13 sentences. A roof can be shingled.Logical formLearned from13 sentences. A roof may be supported by some pillars.Logical formLearned from13 sentences. A male may fall off a roof.Logical formLearned from13 sentences. A car may have a roof.Logical formLearned from13 sentences. A roof can be a glass.Logical formLearned from13 sentences. A roof may pertain-to a garden.Logical formLearned from13 sentences.