growth causes a baby to become an adult
adulthood is maturity. babies is younger_than_adults_and_teenagers. kids has parents_which_adults come_of_aging is growing_up. babies is smaller_than_adults. kids is offspring_of_adults. adults is bigger_than_young_children. adult_one_who has achieved_maturity_of_age adults is grown_people_and_children_not. baby is younger_version_of_adult.