With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: India is a democracy.
text_B: Professor Sir David Philip Lane FRCP FRCSEd FMedSci FRS FRSE -LRB- born 1952 -RRB- is a British immunologist , molecular biologist and cancer researcher .. FRCP. Royal College of Pathologists. FRCSEd. Royal College of Surgeons of Edinburgh. FMedSci. Academy of Medical Sciences. FRS. Royal Society. FRSE. Royal Society of Edinburgh. immunologist. immunology. molecular biologist. molecular biology. He is currently Chief Scientist of the Agency for Science , Technology and Research -LRB- A * STAR -RRB- in Singapore , Scientific Director of Ludwig Cancer Research and Chairman of Chugai Pharmabody .. Singapore. Singapore. Ludwig Cancer Research. Ludwig Cancer Research. He is best known for the discovery of p53 , one of the most important tumour suppressor genes .. p53. p53
not_related.