Queen Marie-Antoinette, Robespierre, Danton, and Saint-Just all spent their last nights in the Galerie des Prisonniers.
Queen Marie-Antoinette, Robespierre, Danton, and Saint-Just were never at the Galerie des Prisonniers 
mnli hypothesis: Queen Marie-Antoinette, Robespierre, Danton, and Saint-Just were never at the Galerie des Prisonniers  premise: Queen Marie-Antoinette, Robespierre, Danton, and Saint-Just all spent their last nights in the Galerie des Prisonniers.