Flow is related to Pour. Pour is a type of Supply. Supply is related to Surprise. Comprise is etymologically related to Surprise. 
Operator is a type of Businessman. Operator is related to Machine. Machine can be used for Measure. Measure is related to Year. 
Flow <--RelatedTo--> Pour --IsA--> Supply <--RelatedTo--> Surprise <--EtymologicallyRelatedTo-- Comprise 
Businessman <--IsA-- Operator <--RelatedTo--> Machine --UsedFor--> Measure <--RelatedTo--> Year 