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 Q]:   A boy is playing hopscotch.
[EX A]: boy

[EX Q]:  He gets up immediately and shows his friends his scraped and injured elbow.
[EX A]: He

[EX Q]:  The camera shows wall paper in a finished room, going over different rooms with different wall papers.
[EX A]:
The camera