adopt - v. to take a child of other parents legally as your own child
certify - v. to say officially that something is true, correct, or genuine
DNA - n. a substance that carries genetic information in the cells of plants and animals — often used before another noun
migrant - n. a person who goes from one place to another especially to find work
network - n. a system of lines, wires, etc., that are connected to each other
sibling - n.a brother or sister