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).

Example Input: Much confusion was observed among the artillery-men, and in a short time several of the guns were dismounted, and four or five powder waggons blown up.
Example Output: artillery-men

Example Input: Then the baronet gently opened his door and we set out in pursuit.
Example Output: baronet

Example Input:  The first man laughs at the camera while holding the bench he had been standing on.
Example Output:
man