With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Andrew Stanton worked on multiple Disney films.
text_B: Conditional logistic regression is an extension of logistic regression that allows one to take into account stratification and matching .. logistic regression. logistic regression. stratification. stratification ( clinical trials ). matching. Matching ( statistics ). Its main field of application is observational studies and in particular epidemiology .. observational studies. observational studies. epidemiology. epidemiology. It was designed in 1978 by Norman Breslow , Nicholas Day , K. T. Halvorsen , Ross L. Prentice and C. Sabai .. Norman Breslow. Norman Breslow. Nicholas Day. Nick Day. It is the most flexible and general procedure for matched data .
not_related.