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: As a matter of fact it was not quite dead, for when Jana arrived it lifted its trunk and curled it round that of Jana as though in affectionate greeting, then let it fall to the ground again.
Example Output: Jana

Example Input: "I don't care if you be," said the girl, tossing her head.
Example Output: girl

Example Input: Two girls stand between a girl in a hair salon stool and begin brushing her and parting her hair.
Example Output:
girls