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:  The people in the background clap for the lady.

Output: people


Input: Consider Input: The next event began at the instant when Alice was sticking the long fork into a round of bread.

Output: Alice


Input: Consider Input: Vassilyev went into the drawing-room and sat down.


Output: Vassilyev