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 person is shown drawing several lines on a piece of paper that leads into several fast motion clips of snowy areas.

Ex Output:
person


Ex Input:
He threw his leg over the fence.

Ex Output:
He


Ex Input:
The latter, approaching his uncle with clear signs that he wanted him for something, had pulled him aside.

Ex Output:

latter