(Ski jumpers) may shed ghosts.Logical formLearned from6 sentences. Control can be over an investigation of a (ski lift tragedy).Logical formLearned from6 sentences. A jump can be on skis.Logical formLearned from6 sentences. Skis can be in history.Logical formLearned from6 sentences. A star may pertain-to a (ski circuit).Logical formLearned from6 sentences. A ski may undergo an event.Logical formLearned from6 sentences. A length may pertain-to a (ski course).Logical formLearned from6 sentences. A (ski resort) may pertain-to jet-setters.Logical formLearned from6 sentences. (Ski champions) can be revered.Logical formLearned from6 sentences. A landslide can be at a (ski resort).Logical formLearned from6 sentences. A (ski resort) may pertain-to mountains.Logical formLearned from6 sentences. A landslide may smash through some (ski lodges).Logical formLearned from6 sentences. A title can be at a ski.Logical formLearned from6 sentences. Some crowd can be at (ski stadium).Logical formLearned from6 sentences. A site may pertain-to (ski events).Logical formLearned from6 sentences.