Choose the most grammatically correct sentence with the proper comma placement.
O For example, Dr. Smith observed, "Many blue-eyed newbops end up with brown eyes a few weeks after they are born."
O For example Dr. Smith observed, "Many blue-eyed newborns end up with brown-eyes a few weeks after they are born."
O For example, Dr. Smith observed ", many blue-eyed newborns end up with brown eyes a few weeks after they are born."
O For example, Dr. Smith observed "many blue-eyed newborns end up with brown eyes a few weeks after they are born."