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 cameraman walks down a snowy driveway to capture a young child shoveling up snow.

Output: cameraman


Input: Consider Input: The horror ceased at last, and later we heard the door unlock and a man's foot upon the landing above.

Output: door


Input: Consider Input: He went on after his last parting from Amanda into China, it was the first of several visits to China, and thence he crossed to America.


Output: He