premise: Critics said the National Certificate of Educational Achievement or NCEA, the main qualification for high school students, would be degraded by the authority allowing text speak use in exams.
hypothesis: Allowing text speak use in exams could further hinder the authority given to the national Certificate of educational achievement to grade submissions. 
reason: Using text to speak in exams would not be good for grading and the authority of the NCEA to do their job effectively. The AI became confused with the use of the word further.