Evidence refers to the facts that support or corroborate the opinion of a speaker.
The text was not included in this question. However note, that expert opinion refers to corroboration of the claim by a professional in the field.
Facts and statistics are figures and information from research that support the point. Anecdotal evidence is personal accounts that lend credence to the claim.
So, read through the text to find which of these supported the claim. If you found none of them, insert, no evidence.
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