With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Good Will Hunting is only a book.
text_B: The Lancia 1Z was a light military truck produced by Italian manufacturer Lancia between 1912 and 1916 .. truck. truck. Lancia. Lancia. Italian. Italy. From a mechanical standpoint , it was closely related to the 1913 35 HP Theta passenger car .. 35 HP Theta. Lancia Theta-35HP. passenger car. Car. It was Lancia 's first military vehicle .. Lancia. Lancia
not_related.