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: A heavy hand grasped his shoulder and swung him around, while old Bob West, panting for Breath, exclaimed: "Stop, you fool--stop!
Example Output: Bob West

Example Input: And we turned to go out.
Example Output: we

Example Input: "Fine!" said Unc Nunkie, wagging his head and stroking his long gray beard.
Example Output:
Unc Nunkie