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:  Many pictures are shown of a woman tying up a pair of skates.

SOLUTION: woman

PROBLEM:  He is playing an old accordian.

SOLUTION: He

PROBLEM: Thus musing, as she waited for his return in the evening, her eyes fell on her left hand.

SOLUTION:
eyes