TASK DEFINITION: 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).
PROBLEM:  The camera pans all around her while she opens the present and smiles to the camera.

SOLUTION: she

PROBLEM:   A group of people on a blue water raft paddle against a violent stream/body of water.

SOLUTION: people

PROBLEM:  The bulls circle one another.

SOLUTION:
bulls