With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A tomb is the centerpiece of the Taj Mahal.
text_B: Women currently make up 14.8 % of the Canadian Armed Forces , and are theoretically eligible to serve in all occupational specialties .. The last occupational ban for females in the military , which restricted women from serving aboard submarines , was lifted in 2001 .. Nonetheless , women constitute a mere 2.4 % of combat arms , and there are currently no women that serve in combat specialties within special operations forces .. combat arms. combat arms. Females who obtain officer status are mainly concentrated in the personnel and nursing fields , and no female has ever served as the head of an operational unit .
not_related.