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:
  A shirtless guy does a pole vault.

Ex Output:
guy


Ex Input:
He glanced quickly about, and finally flung himself upon the nearest tree-trunk.

Ex Output:
He


Ex Input:
"You don't seem to have forgotten anything, Tom," said Ned admiringly, as they soared upward.

Ex Output:

Ned