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:   A shirtless guy does a pole vault.

Output: guy


Input: Consider Input: The time went by very slowly and nothing happened.

Output: time


Input: Consider Input:  One dog jumps into the man's arms.


Output: dog