Professional athletes are overpaid. Their popularity is the main driver of advertising revenue, but they really do not deserve the salaries they make. The salary structure needs to be overhauled.
Which one of the following is mentioned as an opposing point to the main conclusion?
A) Professional athletes’ popularity is the sole driver of advertising revenue.
B) Advertising revenue is driven primarily by the popularity of professional athletes.
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Besides t he word "sole" in A, are the two answer choices logically equivalent? If "sole" was replaced by "chief," would the answers be the same?
Thanks.