And even if they don't claim you, if you qualify as their dependent you have to say yes you can be claimed.
When you have to answer you are a dependent
https://ttlc.intuit.com/community/dependents/help/when-do-i-have-to-answer-yes-to-being-claimed-as-a...
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...
