If an area gets less than 4 hours of sunlight per day, it is too shady for lawn grass to grow well.
(an area; gets; less than 4 hours of sunlight per day) (it; is; too shady for lawn grass to grow well) (lawn grass; to grow; well)
an area it lawn grass
gets is to grow
less than 4 hours of sunlight per day
too shady for lawn grass to grow well
well