Grow is related to Old. Old is related to Dad. Dad is related to Relation. Relation is related to Blood. 
Teacher is related to Principal. Principal is related to Capital. Capital is related to District. District is related to Municipal. 
Grow <--RelatedTo--> Old <--RelatedTo--> Dad <--RelatedTo--> Relation <--RelatedTo--> Blood 
Teacher <--RelatedTo--> Principal <--RelatedTo--> Capital <--RelatedTo--> District <--RelatedTo--> Municipal 