I am interested that GPT4 botched AP Lang and Comp and AP English Lit and Comp just as badly as GPT3.5, with a failing grade of 2/5 (and many colleges also consider a 3 on those exams a failure). Is it because of gaps in the training data or something else? Why does it struggle so hard with those specific tests? Especially since it seems to do fine at the SAT writing section.