Premise: Helen Gardner (art historian) . After an interval as a teacher , she returned to the same university to study art history , and received a master 's degree in 1918 . In 1920 she began lecturing at the School of the Art Institute of Chicago , where she would spend the rest of her career , with the exception of short appointments at UCLA and the University of Chicago . The next year she started to teach an art history course at the School of the Art Institute .
Hypothesis: Helen Gardner lectured only in Europe.
Label: CONTRADICTION