A cloud may drift.Logical formLearned from20 sentences. Clouds may threaten rain.Logical formLearned from20 sentences. Airport can be under clouds.Logical formLearned from20 sentences. Clouds may decrease in an afternoon.Logical formLearned from20 sentences. A (mushroom cloud) can be over a US-city.Logical formLearned from20 sentences. A cloud of smoke can be high.Logical formLearned from20 sentences. A cloud may spread.Logical formLearned from20 sentences. A male may leave under a cloud.Logical formLearned from20 sentences. A move may cast a cloud.Logical formLearned from20 sentences. A view may show clouds.Logical formLearned from19 sentences. Cloud may be based.Logical formLearned from19 sentences. Clouds may be observed.Logical formLearned from19 sentences. Cloud may turn.Logical formLearned from19 sentences. A cloud may be based.Logical formLearned from19 sentences. Clouds can be pregnant.Logical formLearned from19 sentences.