Complex sentence: The next morning, the three leave Factionless for Candor to meet up with the remaining Dauntless; during the trek, Caleb tells Tris that he cannot continue with them and goes in a different direction.
Split into simpler sentences: The next morning, the three leave Factionless for Candor to meet up with the remaining Dauntless. During the trek, Caleb tells Tris that he cannot continue with them and goes in a different direction.