Fogs can be heavy.Logical formLearned from34 sentences. A fog can be constituted-of-or-filled-with gas.Logical formLearned from33 sentences. A fog may pertain-to persons.Logical formLearned from33 sentences. Clouds can be constituted-of-or-filled-with fog.Logical formLearned from33 sentences. A fog may disperse.Logical formLearned from32 sentences. A fog can be warm.Logical formLearned from32 sentences. A fog may dissipate.Logical formLearned from32 sentences. Areas of fog may form.Logical formLearned from32 sentences. Visibility may be caused by fog.Logical formLearned from31 sentences. Wisps can be constituted-of-or-filled-with fog.Logical formLearned from31 sentences. Fog can be in a country.Logical formLearned from31 sentences. A fog can be brown.Logical formLearned from30 sentences. A fog can be sleepy.Logical formLearned from30 sentences. A fog can be low-lying.Logical formLearned from30 sentences. A fog can be perpetual.Logical formLearned from30 sentences.