If Sierra and her family are on vacation at the beach and after a bad experience with salt water, she feels sick when someone offers her a lasagna, this is an example of taste aversion.
Taste aversion occurs when a person has a negative feeling about eating a food, shortly after falling ill. This is a common occurrence which affects the way people eat food especially after getting sick.
As a result of this, Sierra had the negative association with lasagna because it was offered to her shortly after she had an experience with salt water at the beach.
Therefore, the correct answer is taste aversion
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