Complex sentence: On that day, the Long Island, New York, horse trainer Harry deLeyer, attending a Pennsylvania horse auction looking for jumpers, came too late... all that was left were the rejects being loaded into trucks for their last ride.
Split into simpler sentences: On that day the Long Island, New York, horse trainer Harry deLeyer, attending a Pennsylvania auction looking for jumpers, came too late. All that was left were the rejects being loaded into trucks for their last ride.