A cloud can be over an economy.Logical formLearned from5 sentences. (Supply missions) can be under (cloud cover).Logical formLearned from5 sentences. A controversy may cast a cloud.Logical formLearned from5 sentences. A plane may fly through (cloud cover).Logical formLearned from5 sentences. A plane may fly through clouds.Logical formLearned from5 sentences. A cloud may cross the sun.Logical formLearned from5 sentences. Clouds may prevent a (torch lighting).Logical formLearned from5 sentences. Clouds can be sporadic.Logical formLearned from5 sentences. (Dust clouds) may move across foothills.Logical formLearned from5 sentences. Some players can be under an (injury cloud).Logical formLearned from5 sentences. (Smoke clouds) may worsen an (air pollution).Logical formLearned from5 sentences. (Smoke clouds) can be from hundreds of (forest fires).Logical formLearned from5 sentences. Clouds of ash may speed_down a slope.Logical formLearned from5 sentences. A cloud of black smoke may cover (airport buildings).Logical formLearned from5 sentences. White clouds of gas may hover over an old town.Logical formLearned from5 sentences.