sentences: eating leafy vegetables is important for human health
docs: solanaceous_vegetable is vegetable. healthy_dinner has vegetables vegetables is food. once is done_can_eat_vegetables. good_food is foundation_for_good_health. vegetables is living_things. vegetable is food. eating_vegetables is way_to_eat_right. washing_vegetables_before_eat is good_idea. fruite_vegetables is good_source_of_vitamins.