tripleset: AFC Ajax MANAGER Frank de Boer
tripleset: Frank de Boer CLUB Ajax Youth Academy
target: The manager of AFC Ajax is Frank de Boer who is in the Ajax Youth Academy.
references: The manager of AFC Ajax is Frank de Boer who is in the Ajax Youth Academy. AFC Ajax's manager is Frank de Boer, who played for the Ajax Youth Academy. Frank de Boer is in the Ajax Youth Academy and manages AFC Ajax.