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).

Input: Consider Input:  Another boy approaches as he wraps his legs around his neck.

Output: boy


Input: Consider Input: Colonel Preston went into the house, but Godfrey lingered behind a moment.

Output: Colonel Preston


Input: Consider Input:  Many pictures are shown of a woman tying up a pair of skates.


Output: woman