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: The sergeant in charge told them to wait, while he got their papers for them; and in ten minutes he returned.

Output: he


Input: Consider Input: That night Betty put down a black mark, but not without feeling that the day had ended well in spite of its dark shadows.

Output: Betty


Input: Consider Input:  She pushes him away and starts crying.


Output: She