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: Men pull a rope in a game of tug of war.
Example Output: Men

Example Input: William left us alone, and we sat and talked.
Example Output: we

Example Input: Abner Balberry, you ought to be kicked full o' holes, and ducked in the pond besides!"
Example Output:
Abner Balberry