Task: Question Answering
Input (English): Secondly, we examine the effect of Washington Post on the views of the users. This is done by looking at the sentiments of the candidates (to predict winners) of a debate before and after the winners are announced by the experts in Washington Post. This way, we can see if Washington Post has had any effect on the sentiments of the users. One can see the winners suggested by the Washington Post in Table TABREF35.  
 Question: How do you establish the ground truth of who won a debate?
Output (English): experts in Washington Post