A roof may pertain-to a tomb.Logical formLearned from15 sentences. A retractable roof may be opened.Logical formLearned from15 sentences. An array can be on a roof.Logical formLearned from15 sentences. A (tile roof) may be blow_offed.Logical formLearned from15 sentences. Inmates may beat a guard on a (prison roof).Logical formLearned from15 sentences. A roof may pertain-to a clubhouse.Logical formLearned from15 sentences. A roof may pertain-to a shack.Logical formLearned from15 sentences. A roof can be in a room.Logical formLearned from15 sentences. A roof may pertain-to a presidency.Logical formLearned from15 sentences. A roof can be rusted.Logical formLearned from15 sentences. Roofs can be shredded.Logical formLearned from15 sentences. A (roof collapse) may pertain-to a weekday.Logical formLearned from15 sentences. A roof may pertain-to a rink.Logical formLearned from15 sentences. A roof can be controversial.Logical formLearned from15 sentences. A (roof collapse) may kill some persons.Logical formLearned from15 sentences.