Premise: The Avengers (2012 film) . The film was written and directed by Joss Whedon and features an ensemble cast that includes Robert Downey Jr. , Chris Evans , Mark Ruffalo , Chris Hemsworth , Scarlett Johansson , Jeremy Renner , Tom Hiddleston , Clark Gregg , Cobie Smulders , Stellan Skarsgård , and Samuel L. Jackson .
Hypothesis: The Avengers (2012 film) includes, prominently, an American actor born in the year 1981.
Label: NEUTRAL