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 is playing a violin slowly.

Ex Output:
He


Ex Input:
 The man grabs a set of weights and begins to lift it over his head.

Ex Output:
man


Ex Input:
A person is seen passing a basketball all around a court to others and ending by shooting a basket.

Ex Output:

person