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

The property 'is event related to item' applies to instances of 'instantaneous event', and 'in-app purchase event' is a subclass of 'instantaneous event'. Which class can appear as the value of 'is event related to item' for instances of 'in-app purchase event'?

A. Item
B. playing area
C. Game
D. Achievement

Answer: Item