Girlfriend is a type of Woman. Woman is related to Mother. Mother is related to Dad. 
Sensitivity would make you want to Judge. you would Judge because Classify. Grade is a type of Classify. Grade is a type of Cattle. 
Girlfriend --IsA--> Woman <--RelatedTo--> Mother <--RelatedTo--> Dad 
Sensitivity --CausesDesire--> Judge --MotivatedByGoal--> Classify <--IsA-- Grade --IsA--> Cattle 