Trust is a type of Permit. Trust is a synonym of Swear. Swear is related to Answer. Answer is related to Key. 
Separation is a type of Film. Film is related to Photograph. 
Permit <--IsA-- Trust <--Synonym--> Swear <--RelatedTo--> Answer <--RelatedTo--> Key 
Separation --IsA--> Film <--RelatedTo--> Photograph 