---
id: 5e8f2f13c4cdbe86b5c72da3
challengeType: 11
videoId: Cf7DSU0gVb4
---

## Description

<section id='description'>
</section>

## Tests

<section id='tests'>

```yml
question:
  text: |
    The key components of reinforcement learning are...
  answers:
    - |
      environment, representative, state, reaction, and reward.
    - |
      environment, agent, state, action, and reward.
    - |
      habitat, agent, state, action, and punishment.
  solution: 2
```

</section>