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 Input:
There are several passengers traveling in a subway train.

Ex Output:
passengers

Ex Input:
The woman feels for the pinata a few times with the stick, but does not swing as kids continue to look up in amazement.

Ex Output:
woman

Ex Input:
But as I sat my horse and in retrospect reviewed my connection with the cattle before me and the prospect of soon severing it, my remuda came over a near-by hill in a swinging trot for their second drink.

Ex Output:
I