A fog can be heavy.Logical formLearned from3 803 sentences. A fog can be thick.Logical formLearned from3 617 sentences. A fog can be dense.Logical formLearned from2 432 sentences. A fog may lift.Logical formLearned from561 sentences. A fog may pertain-to a world-city.Logical formLearned from458 sentences. Fogs can be dense.Logical formLearned from310 sentences. Areas can be constituted-of-or-filled-with fog.Logical formLearned from283 sentences. A fog can be thick.Logical formLearned from252 sentences. A fog may clear.Logical formLearned from251 sentences. A person can be in a fog.Logical formLearned from220 sentences. A fog can be patchy.Logical formLearned from183 sentences. A fog can be white.Logical formLearned from174 sentences. A fog may pertain-to a person.Logical formLearned from160 sentences. A fog may pertain-to a male.Logical formLearned from159 sentences. A blanket can be constituted-of-or-filled-with fog.Logical formLearned from143 sentences.