meaning_representation: inform(name[Portal 2], release_year[2011], genres[platformer, puzzle, shooter], has_multiplayer[yes], platforms[PlayStation, PC], available_on_steam[yes])
target: A puzzle-shooter platformer game is Portal 2 from 2011. You can play it multiplayer on PlayStation and your PC, and it is available on Steam.
references: A puzzle-shooter platformer game is Portal 2 from 2011. You can play it multiplayer on PlayStation and your PC, and it is available on Steam.