rep=x_choose(['S.L.Campbell','J.P.Chancelier','R.Nikoukhah'],'Authors');
x_message(['Well, it''s time ';'to get something to eat !']);

chateaux=['Château Pétrus','Château Margaux',...
          'Château Talbot','Château Belgrave'];
l1=list('Wine',1,chateaux);
l2=list('Cheese',2,['Rocquefort','Ossau','Tome de Savoie']);
rep=x_choices('Wine and Cheese menu',list(l1,l2));