You could answer with “I looked at the verb endings for -er verbs (-o, -es, -e, -emos, -éis, -en) and plugged them in to the ending of the word comer” hope this helped
Inteligentísima for females or
Inteligentísimo for males
The traditions say it should be done at age 1. They think (Bolivian people) that it should be done as soon as the child is born, so he can get to the "hands of God" as soon as possible. They probably don't do it when it's born because normally children are not born with hair.
Hope it helped,
Happy homework/ study/ exam!