Take context from the input text and decide on the accurate relationship between 'NBA 2K21' and 'PlayStation' from the options provided.
Options: employer, platform, distributed by, subsidiary

The five-time NBA All-Star and Portland Trail Blazers' standout Damian Lillard will be on the cover for the current generation versions of NBA 2K21 and the 2019 first Overall Pick and consensus National College Player of the Year Zion Williamson of the New Orleans Pelicans will be on the cover for the PlayStation 5 and Xbox Series X releases.
platform