sentences: harvest thunderstorm is a mean of rest & harvest is a mean of mankind rest ->  planting crops is a kind of human activity  planting crops is a kind of human activity & harvest equipment requires decreasing rabbit ->  growing crops is a kind of human activity  sand contains deer for animal & a vegetable / inanimate place requires reflection to grow ->  a plant requires nutrients in soil to grow  a plant requires nutrients in soil to grow & radon are a mean of inedible vegetable for fast ->  crops require nutrients in soil to grow  crops require nutrients in soil to grow & if something requires something else then that something relies on that something else ->  crops rely on nutrients in soil to grow  crops rely on nutrients in soil to grow & low good / poor / trouble sand has a low alphabet of seeds / return of antinitrogen ->  crops rely on high quality soil to grow  growing crops is a kind of human activity & crops rely on high quality soil to grow -> growing crops is a kind of human activity that relies on high quality soil to grow