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:
 The referee lets them know when to start and the sumos wrestle while the referee walks around the ring and monitors them.

Ex Output:
the sumos


Ex Input:
And we set off at a great pace, sometimes plunging through the bushes to the chest.

Ex Output:
we


Ex Input:
The next day Saxon started out the Rock Wall, and the specter of Otto Frank walked by her side.

Ex Output:

Otto Frank