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 are GRAHAM ANDREWS, clerical officer - Science Fiction ARTHUR GREEN, civil servant - Life and Works of John Buchan ELIZABETH FULTON, schoolteacher - Life and Works of Vincent van Gogh PATRICK HAMPSHIRE, wine merchant - Life and Works of P. G. Wodehouse