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 Q]:  The black cat grabs the yarn ball and start playing with it.
[EX A]: black cat

[EX Q]: Like a flash Banker turned, and beheld himself face to face with the man Mok, the same chimpanzee-like negro who had been his slave, and with whom in the streets of Paris he had once had a terrible struggle, which had resulted in his capture by the police and his imprisonment.
[EX A]: Banker

[EX Q]: Three boys in a grass covered back yard take turns playing a game of cricket on the lawn.
[EX A]:
Three boys