which sentence or sentences have correct parallel structure? leonardo da vinci, who was a painter, sculptor…

which sentence or sentences have correct parallel structure? leonardo da vinci, who was a painter, sculptor, and scientist, is perhaps best known for his painting the mona lisa. leonardo da vinci, who was a painter, a sculptor, and a scientist, is perhaps best known for his painting the mona lisa.
Answer
Brief Explanations:
Parallel structure requires consistent grammatical form. In both sentences, "a painter, (a) sculptor, and (a) scientist" follow the same part - of - speech and form, making them parallel.
Answer:
Both sentences have correct parallel structure.