 For several tasks and languages, PET outperforms both supervised training and unsupervised approaches in low-resource settings by a large margin.
<meaning-changed>  For several tasks and languages, PET outperforms both supervised training and unsupervised approaches in low-resource settings by a large margin.
 For several tasks and languages, PET outperforms both supervised training and strong semi-supervised approaches in low-resource settings by a large margin.