Complex sentence: Natasha Stoynoff alleges that Trump in December 2005, he pushed her against a wall and forced his tongue in her mouth and told her "We're going to have an affair, I'm telling you" several times.
Split into simpler sentences: Natasha Stoynoff alleges that in December 2005 Trump pushed her against a wall and forced his tongue in her mouth. He told her "We're going to have an affair, I'm telling you" several times.