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).

"He placed the iron on the anvil without heating it at the forge; he simply hammered it hot and forged nail after nail, without the use of either anvil or bellows.
He

William left us alone, and we sat and talked.
we

 The man walks towards a group of people dressed in black.

man