A house may have a roof.Logical formLearned from13 sentences. A roof may go_up.Logical formLearned from13 sentences. A roof can be feet.Logical formLearned from13 sentences. (Iron roof sheets) may be twisted from heat.Logical formLearned from13 sentences. A piece of cockpit may sit on a roof of a home.Logical formLearned from13 sentences. A rocket may rip through a roof of a mall.Logical formLearned from13 sentences. A roof may pertain-to a bureau.Logical formLearned from13 sentences. High winds may collapse a roof of a store.Logical formLearned from13 sentences. Snipers may take_up positions on roofs of homes.Logical formLearned from13 sentences. A roof can be in place.Logical formLearned from13 sentences. Roofs may sit.Logical formLearned from13 sentences. A blast may rip a roof.Logical formLearned from13 sentences. Hundreds may be trapped on roofs of homes by floodwaters.Logical formLearned from13 sentences. A roof may be sprung.Logical formLearned from13 sentences. (Roof tiles) may be littered.Logical formLearned from13 sentences.