a plant requires soil for survival / to grow
plant_fertilization is not tending_plant. survival is natural_process. survive_must has food_and_water growing is production. plant_fertilization is tending_plant. plants has roots gardening is not necessary_activity_to_grow_tomatoes. gardening is necessary_activity_to_grow_tomatoes. humans_must has water_to_survive something_that is planted_will_often_grow.