Fog may reduce visibility.Logical formLearned from21 sentences. A (ground fog) can be thick.Logical formLearned from20 sentences. Fog may descend.Logical formLearned from20 sentences. A fog may rub a back.Logical formLearned from20 sentences. Fog can be dense.Logical formLearned from20 sentences. A person may live in a fog.Logical formLearned from20 sentences. A fog may get thick.Logical formLearned from20 sentences. Persons may have fog.Logical formLearned from20 sentences. A fog can be widespread.Logical formLearned from20 sentences. Fog can be a factor.Logical formLearned from20 sentences. A midst may pertain-to a fog.Logical formLearned from19 sentences. A fog may descend.Logical formLearned from19 sentences. A fog may pertain-to a weekday.Logical formLearned from19 sentences. A fog can be in a brain.Logical formLearned from19 sentences. A fog may pertain-to a us-state.Logical formLearned from19 sentences.