Task: Inferred Instance Class Reasoning (ontology: Sciences/Computer_Science)

After reasoning over the ontology, which class is one valid inferred class for the instance 'microliter'? Context: A volume unit which is equal to one millionth of a liter or 10^[-6] L.

A. GEO data type
B. measurement unit label
C. directive information entity
D. MAQC data

Answer: measurement unit label