(Gas clouds) may undergo a collapse.Logical formLearned from5 sentences. Clouds can be invisible.Logical formLearned from5 sentences. Clouds can be prominent.Logical formLearned from5 sentences. A shape may pertain-to a (gas cloud).Logical formLearned from5 sentences. (Cloud forests) can be pristine.Logical formLearned from5 sentences. Clouds may float in the sky.Logical formLearned from5 sentences. A cloud can be constituted-of-or-filled-with obscurity.Logical formLearned from5 sentences. An area of (cloud cover) may reflect amounts of solar radiation.Logical formLearned from5 sentences. A technique can be for looking through clouds.Logical formLearned from5 sentences. Clouds can be with microwaves.Logical formLearned from5 sentences. Techniques may see through clouds.Logical formLearned from5 sentences. Air may produce clouds.Logical formLearned from5 sentences. Smoke may affect clouds.Logical formLearned from5 sentences. An object can be a cloud of gas.Logical formLearned from5 sentences. Clouds may cool.Logical formLearned from5 sentences.