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).

Ex Input:
II ON my first dash to the Northern fighting line--Greer told me the other night--I carried supplies to an ambulance where the surgeon asked me to have a talk with an officer who was badly wounded and fretting for news of his people in the east of France.

Ex Output:
I


Ex Input:
A set of instructions are shown transitioning back and fourth between a man laying down carpet on a set of stairs.

Ex Output:
man


Ex Input:
 The two continue playing and leads into the man holding up a basketball and the woman shocked.

Ex Output:

man