Afterward, the boys were told that their choices divided them into a Klee group and a Kandinsky group.
The boys that were placed in the Klee group were the ones who had made the right decision. 
mnli hypothesis: The boys that were placed in the Klee group were the ones who had made the right decision.  premise: Afterward, the boys were told that their choices divided them into a Klee group and a Kandinsky group.