Which answer is the correct way to write it in the English…

Which answer is the correct way to write it in the English Language?
My interest in a political career would satisfy my desire for public service.
A political career would satisfy my desire for public service.
My interest in a political career, satisfies my desire for public service.
I’m interested in a political career, that satisfies my desire to serve the public.
I desire to serve the public and I would be satisfied with a political career.