Where to enter health insurance information?

If in 2019 tax year, a person was:
-age 23
-earned about $12,000
-did not provide more than half their own support (did not pay rent, etc)
-lived with parents
-was a full-time student in a graduate program
-Had 9 months of insurance through CoveredCA with Parents, and 3 months alone with Medi-Cal

Can this person file be claimed as a dependent on parents tax return AND also file taxes themselves as single? If so, which tax return enters information about 1098T?

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