In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

[EX Q]: who plays supreme leader in the last jedi
[EX A]: Andy Serkis

[EX Q]: who plays mantis in the guardians of the galaxy
[EX A]: Pom Klementieff

[EX Q]: the individual best known for his work on behavior theory is
[EX A]:
George Casper Homans