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: They were fast nearing the sodden stage, and one sank on the floor.

Output: They


Input: Consider Input: Their fathers and husbands, forced temporarily into the background, crowded round the meagre refreshment table in the entrance hall.

Output: Their father


Input: Consider Input: A lot of men are standing outdoors on a dirt field and there are two teams standing along a rope while a lot of people are standing around watching them.


Output: men