Layers may pertain-to a cloud.Logical formLearned from6 sentences. A (gas cloud) can be cool.Logical formLearned from6 sentences. Evaporation may make clouds.Logical formLearned from6 sentences. An image may show a cloud.Logical formLearned from6 sentences. A cloud can be black.Logical formLearned from6 sentences. Clouds can be constituted-of-or-filled-with pigeons.Logical formLearned from6 sentences. Clouds may undergo a population.Logical formLearned from6 sentences. Clouds can be in a southern hemisphere.Logical formLearned from6 sentences. A head may pertain-to a cloud.Logical formLearned from6 sentences. Clouds may pertain-to dust.Logical formLearned from6 sentences. Air can be in clouds.Logical formLearned from6 sentences. Clouds can be constituted-of-or-filled-with (sulfur dioxide).Logical formLearned from6 sentences. Clouds may evolve into rain-producers.Logical formLearned from6 sentences. A (plasma cloud) can be hot.Logical formLearned from6 sentences. (Ice clouds) may affect global warming.Logical formLearned from6 sentences.