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).

Example Input:  The woman ballerina twists and twirls on her toes as she dances to music.
Example Output: woman

Example Input: An older gentleman in a blue shirt is painting a wooden fence.
Example Output: gentleman

Example Input: A woman is performing partial arts moves with a man on a stage.
Example Output:
man