The party with the highest number of endorsed candidates who win will be invited to form government, and that’s official from the Office of the Registrar of Political Parties and Candidates.
https://youtube.com/watch?v=VSFXWVoH_pA%3Ffeature%3Doembed%26wmode%3Dopaque%26showinfo%3D0%26showsearch%3D0%26rel%3D0