Final answer:
A comma is needed to separate the elements in the list of food items at the Gilroy Garlic Festival.
Step-by-step explanation:
At the Gilroy Garlic Festival, thirty miles south of San Jose, California, attendees can sample fried garlic artichoke hearts, garlic kettle corn, garlic frog legs, garlic chocolate, and even garlic ice cream.
In this sentence, a comma is needed after 'California' to separate the different elements in the list of food items at the festival. Therefore, the correct punctuation is:
At the Gilroy Garlic Festival, thirty miles south of San Jose, California, attendees can sample fried garlic artichoke hearts, garlic kettle corn, garlic frog legs, garlic chocolate, and even garlic ice cream.
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