Clouds can be in the sky.Logical formLearned from100 sentences. A cloud can be on a horizon.Logical formLearned from100 sentences. Clouds can be tropical.Logical formLearned from100 sentences. An area can be constituted-of-or-filled-with clouds.Logical formLearned from99 sentences. A cloud can be over a head.Logical formLearned from99 sentences. Clouds can be low-altitude.Logical formLearned from98 sentences. An increase can be in clouds.Logical formLearned from98 sentences. Black clouds can be constituted-of-or-filled-with smoke.Logical formLearned from98 sentences. Cloud may nod.Logical formLearned from95 sentences. A cloud can be dusty.Logical formLearned from94 sentences. A cloud may lift.Logical formLearned from93 sentences. Clouds can be stormy.Logical formLearned from92 sentences. A cloud can be green.Logical formLearned from91 sentences. A cloud can be hazy.Logical formLearned from91 sentences. A black cloud can be constituted-of-or-filled-with smoke.Logical formLearned from91 sentences.