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: Then in a burst of passion: "Would to Heaven," he muttered, "they had left me stark on Worcester Field!" He rose abruptly, and set out to walk aimlessly along, until suddenly a turn in the path brought him face to face with Cynthia.

Output: He


Input: Consider Input: A band is seen sitting on the stage with one man playing the drums and a woman interviewing him.

Output: woman


Input: Consider Input:  We see people dance and play games outdoors and in a room in groups with balloons and dancing.


Output: people