Politician is a type of Worker. Governor is a type of Politician. Governor is a type of Human. Human is related to Cheek. 
Extreme is related to Bright. Bright is related to Morning. Morning is related to Light. 
Worker <--IsA-- Politician <--IsA-- Governor --IsA--> Human <--RelatedTo--> Cheek 
Extreme <--RelatedTo--> Bright <--RelatedTo--> Morning <--RelatedTo--> Light 