A hill can be in fog.Logical formLearned from7 sentences. Fog may roll_in off an ocean.Logical formLearned from7 sentences. Fog may shroud a course.Logical formLearned from7 sentences. Some days of fog may clear.Logical formLearned from7 sentences. A (sea fog) can be thick.Logical formLearned from7 sentences. A start can be due to fog.Logical formLearned from7 sentences. A landing can be in fog.Logical formLearned from7 sentences. A fog of war may lift.Logical formLearned from7 sentences. A world-city can be in fog.Logical formLearned from7 sentences. An accident may be caused by fog.Logical formLearned from6 sentences. A mass can be constituted-of-or-filled-with fog.Logical formLearned from6 sentences. A fog can be digital.Logical formLearned from6 sentences. A result can be a fog.Logical formLearned from6 sentences. A fog can be amorphous.Logical formLearned from6 sentences. A battle may be fought in fog.Logical formLearned from6 sentences.