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:  He is playing an old accordian.
Example Output: He

Example Input: At present the little ape's innate aptitude for mimicry would be sufficient to familiarize him with Tarzan's ways and weapons, and so the ape-man swung off into the jungle, his new rope coiled over one shoulder, while little Gazan hopped about the clearing dragging the old one after him in childish glee.
Example Output: ape-man

Example Input:  The camera pans to an older man and then back to the boys blowing leaves.
Example Output:
camera