sentences:  After the victory, Avatar gave Gideon a rock with the image of a skybax scratched into it, a token of their bond.This led to the formation of the skybax riders.A young man or woman may become a skybax rider if he or she studies in Waterfall City, graduates from the youth camp in Treetown, and ultimately wins the ring race in Treetown where groups consisting of one boy, one girl, and a bipedal dinosaur run laps around a ring.