Original sentence: Bowling for Columbine, Michael Moore's documentary relating gun control and the fear culture in the United States, heads the list of 20 all-time favorite non-fiction films selected by members of the International Documentary Association (IDA).Fahrenheit 9/11, also by Michael Moore, won the Palme D'or at Cannes.It then became "the highest-grossing documentary in its opening weekend"  by breaking the old record held by Bowling for Columbine.It went on to become the "first ever documentary to cross the $100 million mark in the United States
Edited sentence: Bowling for Columbine, Michael Moore's (alleged) documentary relating gun control and the fear culture in the United States, heads the list of 20 all-time favorite non-fiction films selected by members of the International Documentary Association (IDA)