Continent is related to Coast. Coast is related to Bank. Bank is related to Secure. Secure is a synonym of Reliable. 
Call is related to Process. Process is related to Add. 
Continent <--RelatedTo--> Coast <--RelatedTo--> Bank <--RelatedTo--> Secure <--Synonym--> Reliable 
Call <--RelatedTo--> Process <--RelatedTo--> Add 