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:  She removes the clothes from the tub and then soaks them in another tub filled with water.
Example Output: She

Example Input: At dinner I sat next pretty little Hetty, and at once she spoke of Wilkins.
Example Output: I

Example Input:  The person next to her then piercing one ear followed by the other.
Example Output:
person