Answer:
Ice cream truck scenario 1
UCS: ice cream truck song
UCR: craving ice cream
CS: song from truck
CR: mouth waters
Green foam ball scenario 2
UCS: green foam ball
UCR: getting ball thrown at her
CS: seeing a green ball
CR: flinching
Banana scenario 3
UCS: banana
UCR: getting really sick and vomiting
CS: banana
CR: feeling nauseous
Hawaiian shirt scenario 4
UCS: math teacher wearing a Hawaiian shirt
UCR: either gets anxiety or pop quiz
CS: seeing any Hawaiian shirt
CR: feeling anxious
Annabeth's actions in Chapter 18, when she distracts Cerberus with the red ball she stole, prove that she is intelligent and quick on her feet, always preparing. These are all traits of a daughter of the goddess Athena.