Clouds may threaten.Logical formLearned from6 sentences. Some clouds can be constituted-of-or-filled-with protectionism.Logical formLearned from6 sentences. Clouds may pertain-to gas.Logical formLearned from6 sentences. A blowout may release a cloud of natural gas.Logical formLearned from6 sentences. Dark clouds may hang over a festival.Logical formLearned from6 sentences. A hailstorm may burst from a black mass of clouds.Logical formLearned from6 sentences. Clouds can be against a sky.Logical formLearned from6 sentences. German army may release a cloud of chlorine.Logical formLearned from6 sentences. A cloud may hang over a horizon.Logical formLearned from6 sentences. A body may be filled with clouds.Logical formLearned from6 sentences. The blue sky may be scattered with clouds.Logical formLearned from6 sentences. Black clouds of smoke may drift through skies.Logical formLearned from6 sentences. Clouds may hang over persons.Logical formLearned from6 sentences. Clouds of dust may rise from a surface.Logical formLearned from6 sentences. A radar may pick_up a (debris cloud).Logical formLearned from6 sentences.