Hagrid had received a hint from Moody to show Harry the dragons, and he did indeed do this and brought Madame Maxime with him, who informed her champion, Fleur Delacour.
Hagrid had received a hint from Moody. This was to show Harry the dragons. He did indeed do this. He brought Madame Maxime with him. Madame Maxime with him informed her champion. Fleur Delacour was her champion.