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).

Ex Input:
She lay with her eyes wide open, watching a fly on the wall, that was scrubbing his thin wings with his hind legs.

Ex Output:
She


Ex Input:
She kept her eyes for the most part veiled with the loveliest eyelids fringed with darkest lashes, and he gazed entranced; for the red glow of the little oil-lamp covered all the strangeness of her complexion.

Ex Output:
She


Ex Input:
Once, when this place was all wildwood, the man who was seeking a spot for the location of the buildings of Phillips Academy climbed this oak, using it as a sort of green watchtower, from whence he might gain a view of the surrounding country.

Ex Output:

man