To measure the effect of adding Bertram to BERT on downstream tasks, we apply the procedure described in Section SECREF4 to a commonly used textual entailment dataset as well as two text classification datasets: MNLI BIBREF21, AG's News BIBREF22 and DBPedia BIBREF23.  
 Question: What are three downstream task datasets?
MNLI BIBREF21 AG's News BIBREF22 DBPedia BIBREF23