With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Eugenio Canfari was a football player.
text_B: HD 13931 is an 8th magnitude G-type star located approximately 144 light years away in the constellation Andromeda .. Henry Draper Catalogue. Andromeda. Andromeda ( constellation ). Giclas catalogue. magnitude. apparent magnitude. G-type. G-type star. star. star. constellation. constellation. This star is larger , hotter , brighter , and more massive than our Sun .. star. star. Also its metal content is about 8 % greater than the Sun .. metal. metallicity. In 2009 , a very long-period gas giant planet was found in orbit around the star .. star. star. gas giant. gas giant
not_related.