In this task, you are given a sentence which contains a motion and your task is to identify the physical entities involved in the motion. The input sentence can have more than one entity and also there is at least one entity that takes part in physical motion. There are two types of entities which are animate (beings that are alive) and inanimate entities (beings that are not alive).

 The black cat grabs the yarn ball and start playing with it.
black cat

Discreetly he coughed.
he

A man dressed in all black and a mask on is outside in a public place playing and instrument with bags in the middle and small keyboard on the outside of it.

man