✅ Correct Option: 4
Incorrect. 'Inferior' relates to quality, not authenticity. Incorrect. 'Incisive' refers to analytical depth or sharpness, not authenticity. Incorrect. 'Dubious' actually aligns more with 'spurious' as both suggest doubtfulness or deceit. Correct. 'Genuine' is the direct opposite of 'spurious,' which means false or fake.
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Question 1
Question 4