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:
On nearing the river, Morris rode by way of the herd to ask the deputies in charge to turn the cattle up the river towards his camp.

Ex Output:
Morris


Ex Input:
"No, no! I cannot do it," he said, "unless you keep still!" The blood throbbed in his temples, and his fingers trembled, while she leaned further back, unconsciously offering the temptation of her fresh girlish beauty.

Ex Output:
she


Ex Input:
Ross sprang and struck with the side of his hand.

Ex Output:

Ross