 True negatives are not errors, and any unmatched event misclassified as a true negative is actually driving the kappa statistic higher, whereas unmatched events should be driving the kappa statistic lower.
<fluency>  True negatives are not errors, and any unmatched event misclassified as a true negative is actually driving the kappa statistic higher, whereas unmatched events should be driving the kappa statistic lower.
 True negatives are not errors, and any unmatched event misclassified as a true negative is actually driving the kappa statistic higher, whereas unmatched events should be driving kappa lower.