With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bradley Cooper was in a television series.
text_B: The Casualty Actuarial Society -LRB- CAS -RRB- is a professional society of actuaries specializing in property and casualty insurance .. actuaries. actuary. property. property insurance. casualty. casualty insurance. insurance. insurance. The two levels of CAS membership are Associate -LRB- ACAS -RRB- and Fellow -LRB- FCAS -RRB- .. Requirements for these levels of membership include a comprehensive series of exams .. Topics covered in the exams include statistics , mathematics , finance , economics , insurance , enterprise risk management , and actuarial science .. mathematics. mathematics. finance. finance. economics. economics. insurance. insurance. enterprise risk management. enterprise risk management. actuarial science. actuarial science. Another class of CAS membership , Affiliate , includes qualified actuaries who practice in property-casualty insurance but do not meet the qualifications to become an Associate or Fellow .. actuaries. actuary. property. property insurance. casualty. casualty insurance. insurance. insurance
not_related.