With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Wi-Fi is a trademark of nothing.
text_B: Obsessions is the third album by gothic rock band Corpus Delicti .. Corpus Delicti. Corpus Delicti ( band ). gothic rock. gothic rock. The album contains a cover of the song `` Atmosphere '' by Joy Division .. Joy Division. Joy Division. It was remastered and re-released in 1997 with bonus tracks .
not_related.