An area may be covered by glaciers.Logical formLearned from23 sentences. Band may cover a song.Logical formLearned from23 sentences. A sea may be covered with (pack ice).Logical formLearned from23 sentences. A US-city may be covered.Logical formLearned from23 sentences. Snow may cover the ground.Logical formLearned from23 sentences. Persons may cover chapters.Logical formLearned from23 sentences. A course may cover methods.Logical formLearned from23 sentences. A service may be covered.Logical formLearned from23 sentences. A period may be covered by a review.Logical formLearned from23 sentences. Sectors may be covered.Logical formLearned from23 sentences. A person may cover a race.Logical formLearned from23 sentences. An area may be covered by a plan.Logical formLearned from23 sentences. Categories may be covered.Logical formLearned from23 sentences. Diseases may be covered.Logical formLearned from23 sentences. Benefits may be covered.Logical formLearned from23 sentences.