A (smoke cloud) can be dense.Logical formLearned from11 sentences. A (cloud cover) can be broken.Logical formLearned from11 sentences. A (cloud deck) can be thick.Logical formLearned from11 sentences. A (gas cloud) may escape from a factory.Logical formLearned from11 sentences. A cloud can be ragged.Logical formLearned from11 sentences. A cloud can be inky.Logical formLearned from11 sentences. Clouds can be from volcanoes.Logical formLearned from11 sentences. Clouds may billow_up to some feet.Logical formLearned from11 sentences. An (ash cloud) may create a challenge to an (aviation transport network).Logical formLearned from11 sentences. A cloud can be constituted-of-or-filled-with grit.Logical formLearned from11 sentences. A (dust cloud) can be volcanic.Logical formLearned from11 sentences. A cloud of smoke may rise from an area.Logical formLearned from11 sentences. Clouds may undergo reflections.Logical formLearned from11 sentences. Clouds may release a shower.Logical formLearned from11 sentences. Clouds can be over a circuit.Logical formLearned from11 sentences.