Complex sentence: At a meeting in the "Fouquet" bar located on the Champs Élysées, a group of aviators decided to address this affront by selecting one of them to fly through the Arc de Triomphe during the parade.
Split into simpler sentences: At a meeting at the bar "Fouquet" located on the Champs Élysées, a group of aviators decided to repair the affront. One of them should fly through the Arc de Triomphe during the parade.