Explosions may cause a cloud.Logical formLearned from6 sentences. A dark cloud can be over a summit.Logical formLearned from6 sentences. A morning can be under clouds.Logical formLearned from6 sentences. A (burning cloud) can be red.Logical formLearned from6 sentences. A person may see a (burning cloud).Logical formLearned from6 sentences. A band can be constituted-of-or-filled-with low clouds.Logical formLearned from6 sentences. A nomination can be under a cloud.Logical formLearned from6 sentences. A stamp may depict a (mushroom cloud).Logical formLearned from6 sentences. Clouds can be constituted-of-or-filled-with (orange fire retardant).Logical formLearned from6 sentences. A volcano may spew (heat clouds).Logical formLearned from6 sentences. Clouds can be from some eruption.Logical formLearned from6 sentences. Disruptions can be due to an (ash cloud).Logical formLearned from6 sentences. An (ash cloud) may force a shutdown.Logical formLearned from6 sentences. A disruption may be caused by an (ash cloud).Logical formLearned from6 sentences. An (ash cloud) may hover over a peninsula.Logical formLearned from6 sentences.