With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Aishwarya Rai wrote about a drama.
text_B: Gareth Owen Roberts FRS -LRB- born 1964 -RRB- is a statistician and applied probabilist .. FRS. Fellow of the Royal Society. He is Professor of Statistics in the Department of Statistics and Director of the Centre for Research in Statistical Methodology -LRB- CRiSM -RRB- at the University of Warwick .. University of Warwick. University of Warwick. Professor. Professor. Statistics. Statistics. He is an established authority on the stability of Markov chains , especially applied to Markov Chain Monte Carlo -LRB- MCMC -RRB- theory methodology for a wide range of latent statistical models with applications in spatial statistics , infectious disease epidemiology and finance .. spatial statistics. spatial statistics. infectious disease. infectious disease. epidemiology. epidemiology. finance. finance
not_related.