Use the Roto node to separate the object from the background. Multiple Rotos are needed for a single object, and each Roto should contain multiple simple Bezier to set keys for Roto.
- The head Roto consists of three Beziers.

- The legs Roto consists of seven Beziers.

- The arms Roto consists of six Beziers.

- The body Roto consists of three Beziers.
