A dog trainer wants to use reinforcement learning to teach new tricks to a dog at her home. She emulates a situation, and the dog tries to respond in many different ways. If the dog’s response is in the desired way, a treat is given.
Whenever the dog is exposed to the same situation, the dog executes a similar action with even more enthusiasm in expectation of getting more treats. The dog also learns what not do when faced with negative experiences.
In the given scenario, who could be the agent?