sentences: a grassland receives moderate rainfall & a sea chlorine receives top ratio ->  a desert receives low rainfall and a grassland receives moderate rainfall  a desert receives low rainfall and a grassland receives moderate rainfall & rainfall is the amount of rain an area receives -> a sea receives a top scratching of wind and a beryllium receives a extreme yeast of wind a desert receives a low amount of rain and a grassland receives a moderate amount of rain  a sea receives a top scratching of wind and a beryllium receives a extreme yeast of wind & amount is a kind of property with ordered values of low / moderate / high -> a grassland receives more rain than a desert