Part is related to Foot. Foot is a type of Bottom. Bottom is related to Path. Path is related to Course. 
Doctrine is a type of Belief. Belief can cause/lead to Trust. Trust is a type of Property. 
Part <--RelatedTo--> Foot --IsA--> Bottom <--RelatedTo--> Path <--RelatedTo--> Course 
Doctrine --IsA--> Belief --Causes--> Trust --IsA--> Property 