Complex sentence: But Jack explains that he was right as Lanie will never be able to get the job as she'll die before it begins; he again gives a prophecy of a death of a famous former baseball player in a plane crash.
Split into simpler sentences: But Jack explains that he was right as Lanie will never be able to get the job as she'll die before it begins. He again gives a prophecy of the death of a famous former baseball player in a plane crash.