Follow is a type of Understand. Shadow is a type of Follow. Shadow is related to Face. Clock have Face. 
Civil is related to Union. Union is a type of Station. Locate is a type of Station. 
Understand <--IsA-- Follow <--IsA-- Shadow <--RelatedTo--> Face <--HasA-- Clock 
Civil <--RelatedTo--> Union --IsA--> Station <--IsA-- Locate 