Are you in the Mastermind class? To find out, match your scores against those of the experts.Tonight's group all hail from Northern Ireland and in this second heat in the series they meet in contest at Reading University. The contenders areGRAHAM ANDREWS, clerical officer - Science FictionARTHUR GREEN, civil servant - Life and Works of John Buchan ELIZABETH FULTON, schoolteacher - Life and Works of Vincent van GoghPATRICK HAMPSHIRE, wine merchant - Life and Works of P. G. Wodehouse