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: Scarcely was he seated, when Ericson spoke--a smile flickering over his worn face.

Output: he


Input: Consider Input:  The rafters climb out from there boat onto the shore and walk up the path.

Output: rafters


Input: Consider Input:  The game continues on with the people throwing balls around and people watching on the sides.


Output: people