Task: Inferred Instance Class Reasoning (ontology: Business_Finance/Financial_Industry_Business_Ontology)

After reasoning over the ontology, which class is one valid inferred class for the instance 'calendar year'? Context: cyclic time interval in a calendar which is required for one revolution of the Earth around the Sun and approximated to an integral number of calendar days; a year in the Gregorian calendar

A. time interval
B. time of day
C. date time
D. date

Answer: time interval