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).

Input: Consider Input: George sat patiently waiting, while Jim refilled his pipe and then began: "There ain't so much to tell, but men do curious things sometimes, and Kirby, I guess, was a man few folks would have expected very much of.

Output: George


Input: Consider Input:  She climbs onto the trainer and shows how it is used by pedaling with her feet.

Output: She


Input: Consider Input:   The man runs into the frame into the center of the grass, centers himself and does a leg lift followed by several slow hand movements up and down and around.


Output: man