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).

Q:  A boy stands next a man, then he raise a hand  and walks to perform on the parallel bards.

A: boy
****
Q: She lay with her eyes wide open, watching a fly on the wall, that was scrubbing his thin wings with his hind legs.

A: She
****
Q: Bostil waved his hand.

A:
Bostil
****