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 bulls circle one another.

SOLUTION: bulls

PROBLEM: He was a neat and gentlemanly villain, and broke his biscuit with a dainty hand.

SOLUTION: He

PROBLEM: I looked up and saw the four posts rising hideously bare.

SOLUTION:
I