With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Punk rock is a genre of rock.
text_B: This act has been repealed w.e.f. 1st October , 1998 .. Gift Tax Act , 1958 was an Act of the Parliament of India which was enacted to impose tax on the act of giving or receiving gifts under certain circumstances as specified by the Act .. Parliament of India. Parliament of India. Act. Act of Parliament
not_related.