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 people crowd around the bull waving sticks and follow the bull around as he gets angry.
Example Output: people

Example Input: One afternoon, as Hilda entered St. Peter's in sombre mood, its interior beamed upon her with all the effect of a new creation.
Example Output: Hilda

Example Input: He walked hastily a few squares to a livery stable whose proprietor he knew.
Example Output:
He