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: "No, ma'am; I walked."

Output: I


Input: Consider Input: his limping, and I go on in spite of my falls.

Output: I


Input: Consider Input: people are moving the furniture out of the living room, even the carpet and everything.


Output: people