Painting is a type of Trade. Trade is related to Interaction. Interaction is related to Fight. Fight is related to Action. 
Love is related to Strong. Strength is etymologically related to Strong. Strength is related to Weakness. 
Painting --IsA--> Trade <--RelatedTo--> Interaction <--RelatedTo--> Fight <--RelatedTo--> Action 
Love <--RelatedTo--> Strong <--EtymologicallyRelatedTo-- Strength <--RelatedTo--> Weakness 