A roof can be manual.Logical formLearned from13 sentences. Water may drip from a roof.Logical formLearned from13 sentences. A roof may pertain-to a tent.Logical formLearned from13 sentences. A communist star may rise from a roof.Logical formLearned from13 sentences. A roof can be damaged.Logical formLearned from13 sentences. A (roof damage) can be serious.Logical formLearned from13 sentences. A (roof system) can be flat.Logical formLearned from13 sentences. A hot tub can be on a roof.Logical formLearned from13 sentences. Persons may raise a roof.Logical formLearned from13 sentences. A (roof top) may pertain-to a person.Logical formLearned from13 sentences. A roof may be covered.Logical formLearned from13 sentences. A roof can be automatic.Logical formLearned from13 sentences. Traffic can be through a roof.Logical formLearned from13 sentences. A female may sit on a roof.Logical formLearned from13 sentences. A roof may pertain-to a ventricle.Logical formLearned from13 sentences.