Simplify the following text for a Grade 9 native English-speaking person.
Original: The alignment proposals were narrowed down to five finalists , and then the plan that was eventually selected was picked out of a glass bowl by then-NFL commissioner Pete Rozelle 's secretary , on January 16 , 1970 .
Simplified: The proposals were narrowed down to five finalists . Then the plan that was selected was picked out of a glass bowl by then-NFL commissioner Pete Rozelle 's secretary .