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).

Example Input:  Women dance to music in a social function.
Example Output: Women

Example Input: We trace a life by its scars, as a tree by its rings.
Example Output: We

Example Input:  man is in street skating  and showing pictures of the skates.
Example Output:
man