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:  men are snowboarding in a hill.

Output: men


Input: Consider Input:  A man in a suit plays the saxophone up front wearing sunglasses.

Output: man


Input: Consider Input: Still kneeling, she turned it over in her mind.


Output: she