Contact can be with a roof.Logical formLearned from15 sentences. A roof can be weak.Logical formLearned from15 sentences. (Fuel prices) may go through a roof.Logical formLearned from15 sentences. Rain may leak through a roof.Logical formLearned from15 sentences. A form may pertain-to a roof.Logical formLearned from15 sentences. Roof may undergo a fall.Logical formLearned from15 sentences. An area can be constituted-of-or-filled-with roof.Logical formLearned from15 sentences. A roof may pertain-to an airport.Logical formLearned from15 sentences. Roof may offer views (spiral stairs).Logical formLearned from15 sentences. A male may jump from a roof.Logical formLearned from15 sentences. A roof may pertain-to a parent.Logical formLearned from15 sentences. A male may stand on a roof of a house.Logical formLearned from15 sentences. (Snow load) can be for roofs.Logical formLearned from15 sentences. A roof may pertain-to a neighbour.Logical formLearned from15 sentences. A roof may pertain-to an (apartment complex).Logical formLearned from15 sentences.