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).

Example Input: She leaned out of the bed and pulled open her door.
Example Output: She

Example Input: Walderhurst went to him.
Example Output: Walderhurst

Example Input:  More footage is shown of tight rope walkers tripping and falling.
Example Output:
walkers