The anecdotal evidence that supports the writer's claim is: "teenagers are the ideal employees for the fast-food industry."
<h3>What is a claim?</h3>
A Claim is a position that the author considers to hold a superior argument and maybe buttressed by facts.
In this case, in the text "A Look at the Fast-Food Industry", the author is of the opinion that "teenagers are the ideal employees for the fast-food industry.