Public is related to People. People is related to Lift. Lift is related to Pick. 
Group is related to School. School is related to Examination. Person does not want (to) Examination. Cuban is a type of Person. 
Public <--RelatedTo--> People <--RelatedTo--> Lift <--RelatedTo--> Pick 
Group <--RelatedTo--> School <--RelatedTo--> Examination <--NotDesires-- Person <--IsA-- Cuban 