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: In short, the artillery even refused to advance to the front.
Example Output: artillery

Example Input:  Then, the camel stops and the woman gets down from the camel.
Example Output: the woman

Example Input:  The person paddles themselves along the water with other people riding near him.
Example Output:
person