Uncertainty may cast a cloud.Logical formLearned from5 sentences. A dark cloud may be marred by a ban.Logical formLearned from5 sentences. Clouds of war may drive (gold prices).Logical formLearned from5 sentences. A cloud can be constituted-of-or-filled-with (war fears).Logical formLearned from5 sentences. A cloud may hang over (equity markets).Logical formLearned from5 sentences. A cloud of dust may cover an area of some square kilometers.Logical formLearned from5 sentences. Some cloud can be over enlargement.Logical formLearned from5 sentences. (War clouds) may hover.Logical formLearned from5 sentences. A plane may be hid behind clouds.Logical formLearned from5 sentences. Explosions may be followed by clouds of smoke.Logical formLearned from5 sentences. A cloud of suspicion may clear_up in an other side.Logical formLearned from5 sentences. Killings may cast a cloud.Logical formLearned from5 sentences. Persons may descend_down to a base of a (cloud level).Logical formLearned from5 sentences. A base may pertain-to a (cloud level).Logical formLearned from5 sentences. Clouds can be constituted-of-or-filled-with radioactive dust.Logical formLearned from5 sentences.