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: Mr. Boyd, it seemed, was to walk with the men.

Output: Boyd


Input: Consider Input: One afternoon, as Hilda entered St. Peter's in sombre mood, its interior beamed upon her with all the effect of a new creation.

Output: Hilda


Input: Consider Input: Karl also, his face white with passion, had jumped to his feet.


Output: Karl