Person does not want (to) Examination. African is a type of Person. African is a synonym of Black. Black is related to Beauty. 
Trouble is related to Punishment. Punishment is related to Teaching. Teaching is related to Professor. Professor is a synonym of Instructor. 
Examination <--NotDesires-- Person <--IsA-- African <--Synonym--> Black <--RelatedTo--> Beauty 
Trouble <--RelatedTo--> Punishment <--RelatedTo--> Teaching <--RelatedTo--> Professor <--Synonym--> Instructor 