With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Chernobyl disaster is incapable of being harmful to the environment due to the radiation.
text_B: Failure assessment , as used in the context of software systems design , is the science of determining the circumstances under which a particular algorithm fails and then correcting the cause .. algorithm. algorithm. It is directly related to the notion of algorithm accuracy , robustness , and reliability .. algorithm. algorithm. accuracy. accuracy. robustness. Robustness ( computer science ). reliability. Reliability engineering. Category  : Software quality
not_related.