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).

[EX Q]:  Then he adds an egg and salt to the grains, plus other ingredients too.
[EX A]: he

[EX Q]:  The girls continuously put ornaments on the tree and end holding their arms up.
[EX A]: arms

[EX Q]:  The referee lets them know when to start and the sumos wrestle while the referee walks around the ring and monitors them.
[EX A]:
the sumos