A roof may pertain-to a (north tower).Logical formLearned from12 sentences. A peak may pertain-to a roof.Logical formLearned from12 sentences. A roof can be shady.Logical formLearned from12 sentences. A female may go to a roof.Logical formLearned from12 sentences. Some generations may be squeezed under a roof.Logical formLearned from12 sentences. Some (gilt copper tiles) can be on a roof.Logical formLearned from12 sentences. Guardrails can be on portions of roofs.Logical formLearned from12 sentences. Pieces can be constituted-of-or-filled-with roof.Logical formLearned from12 sentences. A stadium may feature a retractable roof.Logical formLearned from12 sentences. A deck can be on a roof.Logical formLearned from12 sentences. A staircase may lead to a roof.Logical formLearned from12 sentences. A roof can be secure.Logical formLearned from12 sentences. A person may live under a roof.Logical formLearned from12 sentences. Roofs can be blown.Logical formLearned from12 sentences. Sharpshooters may be posted on a roof.Logical formLearned from12 sentences.