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:
 During that time, one of the men get shot in the head and he collapses and falls down.

Ex Output:
men


Ex Input:
We ran to where the thing had struck, three hundred yards across the field.

Ex Output:
We


Ex Input:
A heavy hand grasped his shoulder and swung him around, while old Bob West, panting for Breath, exclaimed: "Stop, you fool--stop!

Ex Output:

Bob West