With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The United States was empowered by the end of the Cold War.
text_B: HD 101930 b is an extrasolar planet orbiting the star HD 101930 .. HD 101930. HD 101930. extrasolar planet. extrasolar planet. star. star. It has a minimum mass a third of Jupiter 's , nearly the same as Saturn 's so it is thought to be a gas giant .. minimum mass. minimum mass. Jupiter. Jupiter. Saturn. Saturn. gas giant. gas giant. It orbits the star closer than Mercury , and the orbit is slightly eccentric .. star. star. Mercury. Mercury ( planet ). eccentric. eccentricity ( orbit )
not_related.