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:
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


Ex Input:
A man is seen speaking to the camera while holding up a cigarette.

Ex Output:
man


Ex Input:
With a cry muffled behind her mask, Naida leaped out in front of her squadron and cut loose her queer vegetable ball with whizzing aim and force.

Ex Output:

Naida