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: Three men are seen sitting behind a set of bongo drums playing quickly while several camera flashes are shown.

Output: Three me


Input: Consider Input: A woman peforms before a court on a basketball gym.

Output: woman


Input: Consider Input:   A boy is playing hopscotch.


Output: boy