Blue sky can be with clouds.Logical formLearned from18 sentences. Clouds may move across the sky.Logical formLearned from18 sentences. Clouds can be sparse.Logical formLearned from18 sentences. White clouds may fly.Logical formLearned from18 sentences. Issues may surround a (cloud concept).Logical formLearned from18 sentences. A cheek may pertain-to cloud.Logical formLearned from18 sentences. A cloud may pertain-to smoke.Logical formLearned from18 sentences. A silver lining can be to a cloud.Logical formLearned from18 sentences. A cloud may be seen.Logical formLearned from18 sentences. Clouds can be gorgeous.Logical formLearned from18 sentences. Clouds may rush across the sky.Logical formLearned from18 sentences. A cloud can be in the sky.Logical formLearned from18 sentences. Clouds can be over mountains.Logical formLearned from18 sentences. A cloud may hang over persons.Logical formLearned from18 sentences. A cloud can be over a viability of a system.Logical formLearned from18 sentences.