Complex sentence: Oliver also says that Trump's speaking style is incoherent, and compares one of Trump's speeches on the Iran nuclear deal framework to a speech written by an iPhone's autocorrect function, concluding that the iPhone text was more understandable.
Split into simpler sentences: Oliver also says that Trump's speaking style is incoherent. To prove this compares one of Trump's speeches on the Iran nuclear deal framework to a speech written by an iPhone's autocorrect function, concluding that the iPhone text was more understandable.