Motion CAPTCHA

Written by:
Sajad Shirali-Shahreza
Mohammad Shirali-Shahreza

Which of the following sentences describes the action which the person does in this movie?

A natural gesture for hello.
The V handshape represents the legs of a person. The motion of the hand represents a person dancing.
The L handshapes pull back the corners of the mouth to show the shape of the mouth when someone is laughing.
The fingers move down and up in a motion similar to the flapping of a horse's ears.