Complex sentence: Later they find out about a simulation that will kill Dauntless members until a Divergent is given to Erudite, Tris decide to sacrifice herself but he begs her not to.
Split into simpler sentences: Later they find out about a simulation that will kill Dauntless members until a Divergent is given to Erudite. As a result Tris decides to sacrifice herself but he begs her not to.