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: As a matter of fact it was not quite dead, for when Jana arrived it lifted its trunk and curled it round that of Jana as though in affectionate greeting, then let it fall to the ground again.

SOLUTION: Jana

PROBLEM:  He smooths it out with his hands.

SOLUTION: He

PROBLEM:  He tries to sit on the ball but the ball rolls away.

SOLUTION:
He