An (ash cloud) may disrupt (air travel).Logical formLearned from7 sentences. A cloud may undergo a dispersal.Logical formLearned from7 sentences. A cloud may undergo a passing.Logical formLearned from7 sentences. The moon may shine through clouds.Logical formLearned from7 sentences. A cloud of smoke may fill the sky.Logical formLearned from7 sentences. A cloud can be constituted-of-or-filled-with (tax problems).Logical formLearned from7 sentences. Particles may make_up clouds.Logical formLearned from7 sentences. Dark clouds may gather as a (sun set).Logical formLearned from7 sentences. A cloud can be for some years.Logical formLearned from7 sentences. A cloud of corruption may hang over a head.Logical formLearned from7 sentences. Clouds can be constituted-of-or-filled-with clay.Logical formLearned from7 sentences. Clouds can be clear.Logical formLearned from7 sentences. A cold front may bring clouds to a world-city.Logical formLearned from7 sentences. A blast may send a cloud of smoke.Logical formLearned from7 sentences. Clouds can be within some feet.Logical formLearned from7 sentences.