Complex sentence: At Trump's final event, he spoke at a Tony Robbins motivational conference, and received what the AP called a "moderately enthusiastic applause" after asking the 21,000 people in attendance whether he should run for president.
Split into simpler sentences: At Trump's final event, he spoke at a Tony Robbins motivational conference. At the event, Trump received what the AP called a "moderately enthusiastic applause" after asking the 21,000 people in attendance whether he should run for president.