Complex sentence: Tempers flare when Paulie, unprovoked, mocks the Russian and deliberately destroys his universal remote control, causing Valery to insult Paulie and Christopher, prompting them to attack the seated Russian.
Split into simpler sentences: Tempers flare when Paulie, unprovoked, mocks the Russian and deliberately destroys his universal remote control. Valery insults Paulie and Christopher, prompting them to attack the seated Russian.