With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Steffi Graf is an amateur tennis player.
text_B: The Odisha Computer Application Centre or OCAC is a Designated Technical Directorate of Information Technology Department Public Sector Undertaking -LRB- PSU -RRB- of Government of Odisha registered under Society Registration Act , 1860 on dated 21 March 1985 redesignated as Technical Directorate of Information Technology Department , Government of Odisha .. Odisha. Odisha. Government of Odisha. Government of Odisha
not_related.