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:
They were fast nearing the sodden stage, and one sank on the floor.

Ex Output:
They


Ex Input:
 The first man laughs at the camera while holding the bench he had been standing on.

Ex Output:
man


Ex Input:
 The boy lies on the ground and the kite dive bombs at him.

Ex Output:

kite