Task: Property Constraint Reasoning (ontology: Legal/LKIF_Core_Ontology)

The property 'in force' applies to instances of 'Modification', and 'Temporal Modification' is a subclass of 'Modification'. Which class can appear as the value of 'in force' for instances of 'Temporal Modification'?

A. In Force Interval
B. Modification of System
C. Efficacy Interval
D. Existence Date

Answer: In Force Interval