Complex sentence: Fred gets off to a rocky start driving the sleigh, including crashing it through a Pepsi Cola billboard advertisement featuring Santa, as well as mistakenly goes down the chimney of a house belonging to a Jewish family and they respond by offering him Challah and knishes.
Split into simpler sentences: Fred gets off to a rocky start driving the sleigh, including crashing it through a Pepsi Cola billboard advertisement featuring Santa. He also mistakenly goes down the chimney of a house belonging to a Jewish family and they respond by offering him Challah and knishes.