4. List a) the running time for a short film and b) feature film as established by the Academy of Motion Picture Arts and Sciences.

According to the Academy of Motion Picture Arts and Sciences, the running times are typically defined as follows:

a) Short Film: A short film must have a running time of 40 minutes or less, including all credits.

b) Feature Film: A feature film generally runs over 40 minutes, with the minimum length typically considered to be around 60 minutes or more.

These definitions are important for various categories within the Academy Awards.