Take the following as truth: Queen Marie-Antoinette, Robespierre, Danton, and Saint-Just all spent their last nights in the Galerie des Prisonniers.
Then the following statement: "Queen Marie-Antoinette, Robespierre, Danton, and Saint-Just were all prisoners at some point in time." is true, false, or inconclusive?
Answer: Inconclusive