Guns may be perched on hills.Logical formLearned from5 sentences. An observation can be from a hill.Logical formLearned from5 sentences. A monument can be on a hill.Logical formLearned from5 sentences. Soldiers may surround persons on a hill.Logical formLearned from5 sentences. A person may ski on a hill.Logical formLearned from5 sentences. A team can be ski-jumping on a hill.Logical formLearned from5 sentences. A subdivision can be on a hill.Logical formLearned from5 sentences. A hill may involve land.Logical formLearned from5 sentences. Hills may be supported by helicopters.Logical formLearned from5 sentences. A hill can be with visibility of a territory.Logical formLearned from5 sentences. Thousands of persons may run for hills.Logical formLearned from5 sentences. A wave of mud may rush_down a hill.Logical formLearned from5 sentences. A (passenger plane) may crash into hills.Logical formLearned from5 sentences. Hills can be behind a world-city.Logical formLearned from5 sentences. A wreckage can be in hills.Logical formLearned from5 sentences.