A delay can be for fog.Logical formLearned from6 sentences. An aircraft may crash in fog.Logical formLearned from6 sentences. Fog may delay a start of play by some minutes.Logical formLearned from6 sentences. A fog may develop.Logical formLearned from5 sentences. Fog can be on a river.Logical formLearned from5 sentences. Fog may shroud an area.Logical formLearned from5 sentences. A fog can be rare.Logical formLearned from5 sentences. (Traffic accidents) may be caused by fog.Logical formLearned from5 sentences. Persons may have a fog of fabrication.Logical formLearned from5 sentences. A fog may begin.Logical formLearned from5 sentences. A fog may pertain-to a winter.Logical formLearned from5 sentences. Fog can be in airport.Logical formLearned from5 sentences. Some minutes can be due to fog.Logical formLearned from5 sentences. A day may dawn with fog.Logical formLearned from5 sentences. Exposure can be to fog.Logical formLearned from5 sentences.