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

After reasoning over the ontology, which class is one valid inferred class for the instance 'nanogram'? Context: A mass unit which is equal to one thousandth of one millionth of a gram or 10^[-9] g.

A. image
B. measurement unit label
C. Gene expression dataset
D. independent continuant

Answer: measurement unit label