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 man then plays the guitar a bit and moves his hands up and down the neck.

SOLUTION: man

PROBLEM: The Indian's rifle dropped, his tomahawk flew into the air, while his body rolled down the little embankment into the spring.

SOLUTION: Indian's

PROBLEM: Scandal said that Eve and Will quarreled, that they quarreled violently, that Will had struck her, that money was the bottom of the trouble, that Will had none to meet his gambling debts, and that Eve, who had been steadily supplying him out of her slender purse, had at last refused to do so any more.

SOLUTION:
Eve