Elbow is related to Ankle. Ankle is related to Heel. 
Reading is related to Psychology. Psychology is related to Fraud. Fraud is related to False. False is a different concept from True. 
Elbow <--RelatedTo--> Ankle <--RelatedTo--> Heel 
Reading <--RelatedTo--> Psychology <--RelatedTo--> Fraud <--RelatedTo--> False <--DistinctFrom--> True 