In an attempt to prove that the Nazi Eugenics laws had both international precident and justification, Lawyer for the defence Hans Rolfe forces witness Rudolph Peterson to answer the same mental aptitude test that he failed before the war. That failure got him sterilised as being mentally deficient.

Some would say this scene is what got the actor who played Rolfe his Academy Award.

In a stirring scene, he demands this question again and again, while Peterson struggles to answer...

What is the test question?