Roofs can be makeshift.Logical formLearned from12 sentences. Tarpaulins may cover roofs.Logical formLearned from12 sentences. Shacks can be with roofs.Logical formLearned from12 sentences. A roof may split open to elements.Logical formLearned from12 sentences. A roof of a stage can be unbalanced.Logical formLearned from12 sentences. Soldiers can be on a roof.Logical formLearned from12 sentences. A retractable roof may undergo an installation.Logical formLearned from12 sentences. A male may fire into a roof of a net.Logical formLearned from12 sentences. A roof can be spectacular.Logical formLearned from12 sentences. A roof of a rink may collapse under a weight of snow.Logical formLearned from12 sentences. A roof may pertain-to a double-decker bus.Logical formLearned from12 sentences. A roof may pertain-to a first floor.Logical formLearned from12 sentences. Part of a roof may be rip_offed.Logical formLearned from12 sentences. Causes may pertain-to a (roof collapse).Logical formLearned from12 sentences. A house can be without a roof.Logical formLearned from12 sentences.