Alyah is a 3-year-old girl who lives with her mom and grandma. Whenever any of them leave to go somewhere, Alyah says bye-bye; "I love you!" One day, Alyah goes with her mother to the grocery store. At the checkout register, the cashier says "goodbye" to her, and she immediately replies, "bye-bye; I love you!" According to Piaget, Alyah's response to the cashier is an example of:
O Assimilation
O Egocentrism
O Accommodation
O Animism