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

Which of the following classes is one valid superclass of 'release of sequestered calcium ion into cytosol by Golgi'?

A. release of sequestered calcium ion into cytosol
B. 11beta-hydroxy steroid
C. 2nd arch pharyngeal cleft
D. 4th arch pharyngeal cleft

Answer: release of sequestered calcium ion into cytosol