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).
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Question:  A dog is seen running up and down the field in the middle of the audience.

Answer: dog


Question: The colonel, seizing his head in his hands, turned in his tracks as if struck with vertigo.

Answer: colonel


Question: So he, too, had been caught at last.

Answer:
he


