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:  The man helps the woman on the horse and she leads it around the arena.
Example Output: woman

Example Input: We see a man mowing a lawn.
Example Output: man

Example Input: She put on a lump of coal, just enough to keep the fire "in," and sat down to the weekly mending.
Example Output:
She