Task: Property Constraint Reasoning (ontology: Arts_Media_Entertainment/CIDOC_CRM)

The property 'P48 has preferred identifier' applies to instances of 'E1 CRM Entity', and 'E77 Persistent Item' is a subclass of 'E1 CRM Entity'. Which class can appear as the value of 'P48 has preferred identifier' for instances of 'E77 Persistent Item'?

A. E29 Design or Procedure
B. E15 Identifier Assignment
C. E14 Condition Assessment
D. E42 Identifier

Answer: E42 Identifier