Original sentence: In English localizations of the film, Mewtwo's personality was changed to arrogant and megalomaniacal; localization director Norman Grossfield reasoned the changes as necessary to portray Mewtwo as "clearly evil" instead of ambiguous for American audiences
Edited sentence: In English localizations of the film, Mewtwo's personality was changed to arrogant and megalomaniacal; localization director Norman Grossfield reasoned the changes as necessary to portray Mewtwo as "clearly evil" instead of ambiguous to American audiences