Original sentence: The rivalry between Nintendo and Sega resulted in a fierce console war in which Sega positioned the Genesis as the "cool" console, with edgy advertisements occasionally attacking the competition and more mature titles aimed at older gamers
Edited sentence: Sega positioned the Genesis as the "cool" console, with edgy advertisements occasionally attacking the competition and more mature titles aimed at older gamers.The rivalry between Nintendo and Sega resulted in what was the fiercest console war in video game history