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]: He had to knock several times.
[EX A]: He

[EX Q]: No, I will not drink," and all the while his hand went up to the cups upon the shelf.
[EX A]: hand

[EX Q]: The Indian's rifle dropped, his tomahawk flew into the air, while his body rolled down the little embankment into the spring.
[EX A]:
Indian's