Task: Class Relation Understanding (ontology: Sciences/Biology)

Which of the following classes is one valid superclass of 'neutrophil mediated cytotoxicity'?

A. 2-oxoglutarate-dependent dioxygenase activity
B. leukocyte mediated cytotoxicity
C. 2-deoxyribose 1-phosphate catabolic process
D. 3-deoxy-7-phosphoheptulonate synthase activity

Answer: leukocyte mediated cytotoxicity