Classify given movie review into two categories: positive, or negative based on its content.

[Q]: as much as i laughed throughout the movie , i cannot mount a cogent defense of the film as entertainment , or even performance art , although the movie does leave you marveling at these guys' superhuman capacity to withstand pain .
[A]: negative

[Q]: it feels like very light errol morris , focusing on eccentricity but failing , ultimately , to make something bigger out of its scrapbook of oddballs .
[A]: negative

[Q]: [swimfan] falls victim to sloppy plotting , an insultingly unbelievable final act and a villainess who is too crazy to be interesting .
[A]:
negative