With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Guyana came under Indian control in the late 18th century.
text_B: The Singapore Police Force Criminal Investigation Department -LRB- CID -RRB- is the agency for premier investigation and staff authority for criminal investigation matters within the Singapore Police Force. Singapore. Singapore. Singapore Police Force. Singapore Police Force. It is led by the Director of CID and assisted by a Deputy Director .. CID has a staff of over 500 officers  : Senior Officers , Police Officers and Civilian Officers .
not_related.