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).

Ex Input:
He pulled her arms down round the King's neck and tied them close.

Ex Output:
He


Ex Input:
Mr. Boyd, it seemed, was to walk with the men.

Ex Output:
Boyd


Ex Input:
He entered, and from the doorway shouted to his mother and wife:  "It is all right!

Ex Output:

He