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: He stretched out his hand for his blanket, thrust his head through its central hole, and wrapped it about him.
Example Output: He

Example Input:  He prepares a large dish of pasta, which he cooks in the machine.
Example Output: He

Example Input: A man wearing a white shirt is playing pool in a recreation room.
Example Output:
A man