With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gold is a consistency.
text_B: Ali ibn Zainab was a sahaba of Muhammad .. sahaba. sahaba. Muhammad. Muhammad. He was the son of Zainab bint Muhammad and grandson of Muhammad , he died after a few years in 9 AH .. Muhammad. Muhammad. Zainab bint Muhammad. Zainab bint Muhammad. Islamic calendar. His sister was Umamah bint Zainab .. Umamah bint Zainab. Umamah bint Zainab
not_related.