An Example of What Nesting Does
Correct
Logic
Wrong
Logic
    
?s (aphasia or dyslexia) and curriculum development
                  P...)
            1180  DYSLEXIA  (IMPAIRMENT IN THE ABILITY TO READ DESPITE
                  AD...)
           43170  CURRICULUM DEVELOPMENT  (ACTIVITIES SUCH AS
                  CONCEPTUALIZING, PLANNING...)
      S1      14  (APHASIA OR DYSLEXIA) AND CURRICULUM DEVELOPMENT
 
?s aphasia or dyslexia and curriculum development
                  P...)
            1180  DYSLEXIA  (IMPAIRMENT IN THE ABILITY TO READ DESPITE
                  AD...)
           43170  CURRICULUM DEVELOPMENT  (ACTIVITIES SUCH AS
                  CONCEPTUALIZING, PLANNING...)
      S2     467  APHASIA OR DYSLEXIA AND CURRICULUM DEVELOPMENT