Do you have any income? Are you Single? If you live with someone the whole year and made less than $4,200 they can probably claim you. Here are the rules for claiming a dependent. Do you qualify as a dependent?
https://ttlc.intuit.com/community/credits-and-deductions/help/who-can-i-claim-as-my-dependent/00/267...
Why are you asking? Did your return reject for duplicate ssn?
