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 man wearing a white shirt is playing pool in a recreation room.

Output: A man


Input: Consider Input: On the march, Leigh always rode by the side of his sister, generally carrying the child before him.

Output: his sister


Input: Consider Input: But here a certain Providence, perhaps mindful of poor Dobbs, threw into his simple hands--to be used or not, if he were worthy or capable of using it--a certain power and advantage.


Output: Dobbs