Complex sentence: Chaos ensues when a group of truckers in the diner begin to insult Howard, resulting in a fight which leads to Howard's capture and near-decapitation at the hands of the diner chef.
Split into simpler sentences: Chaos ensues when a group of truckers in the diner begin to insult Howard, resulting in a fight. This results in Howard's capture and near-decapitation at the hands of the diner chef.