What power does article 3 give to the third branch of government?

Section 1: The judicial power of the federal government is "vested in one supreme court, and in such inferior courts as the congress may from time to time ordain and establish." Section 1 of article 3 establishes that judges shall hold their office as long as they demonstrate good behavior

answer; ///i believe that the correct answer is (a); ///the crystal will

i think they would live in caves or natural tunnels