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 sat down, one on one side of the round centre table, and one on the other, and Junius began his statement.

Ex Output:
They

Ex Input:
Pr'aps you'll tell me I lie when I tell you he told me he was your son; told me how he ran away from you; how you were livin' somewhere in the mountains makin' gold, or suthin' else, outer charcoal.

Ex Output:
he

Ex Input:
Once they drew aside to let pass a procession of Belgian refugees, those who had held to their village homes until bombardment had destroyed them--stout peasant women in short skirts and with huge bundles, old men, a few young ones, many children.

Ex Output:
they