Being at his grandmother's house always makes Akio feel happy. She often makes him oatmeal for breakfast when he goes to visit her. Although he is not at his grandmother's house now, Akio notices that somehow he feels happier when he eats a bowl of oatmeal.

In the above example, identify the

Unconditioned Stimulus:

Unconditioned Response:

Conditioned Stimulus:

Conditioned Response: