Task: Inferred Class Relation Reasoning (ontology: Business_Finance/Occupation_Ontology)

After reasoning, which of the following classes is one valid superclass of 'waiter or waitress (broad)'?

A. food preparation or serving related occupation holder
B. food cooking machine operator or tender
C. industrial machinery installation, repair, or maintenance worker
D. cardiovascular technologist or technician

Answer: food preparation or serving related occupation holder