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\*.

50 shades of grey where was it filmed
Vancouver, British Columbia

who plays mantis in the guardians of the galaxy
Pom Klementieff

who wrote the book it's a wonderful life

Philip Van Doren Stern