Fog can be in air.Logical formLearned from6 sentences. Fog may be predicted.Logical formLearned from6 sentences. A rocket may be vanished into fogs.Logical formLearned from6 sentences. Air can be thick with fog.Logical formLearned from6 sentences. Fogs can be in a world-city.Logical formLearned from6 sentences. Elevations can be with fog.Logical formLearned from6 sentences. Areas of fog may develop.Logical formLearned from6 sentences. A fog may disrupt (ferry services).Logical formLearned from6 sentences. A gorge may be shrouded in whips of fog.Logical formLearned from6 sentences. Whips can be constituted-of-or-filled-with fog.Logical formLearned from6 sentences. Some hours can be by fog.Logical formLearned from6 sentences. Fog may affect visibility.Logical formLearned from6 sentences. Fog can be on a part of a course.Logical formLearned from6 sentences. A fog may be lifted.Logical formLearned from6 sentences. Some (passenger trains) may collide in fog.Logical formLearned from6 sentences.