Roofs can be thick.Logical formLearned from24 sentences. A person may lose a roof.Logical formLearned from24 sentences. Roofs may cave_in on (sleeping inhabitants).Logical formLearned from24 sentences. Roofs may fall off (mountain slopes).Logical formLearned from24 sentences. Parts may pertain-to a roof.Logical formLearned from24 sentences. A roof of a building may collapse.Logical formLearned from23 sentences. Roofs can be punctured.Logical formLearned from23 sentences. A (slate roof) can be green.Logical formLearned from23 sentences. A roof can be with eaves.Logical formLearned from23 sentences. A home may have a roof.Logical formLearned from23 sentences. A (tile roof) can be red.Logical formLearned from23 sentences. A pitched roof can be steep.Logical formLearned from23 sentences. Roof may pertain-to a house.Logical formLearned from23 sentences. A (glass roof) can be retractable.Logical formLearned from23 sentences. A roof may undergo a completion.Logical formLearned from23 sentences.