With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: George W. Romney's wife was an American actress and politician.
text_B: The Royal College of Physicians of Ireland -LRB- RCPI -RRB- , -LRB- Colaiste Rioga Lianna na hEireann -RRB- was founded in 1654 and is a postgraduate medical organisation comprising Members and Fellows .. It is a sister institute of the three Royal Colleges of Physicians in the United Kingdom  : Edinburgh , Glasgow and London .. Edinburgh. Royal College of Physicians of Edinburgh. Glasgow. Royal College of Physicians and Surgeons of Glasgow. London. Royal College of Physicians
not_related.