s j is a sequence of words (w 1 , ..., w K ) where each word w k is from a vocabulary V. The input (s 1 , s 2 ) are referred to as the premise and hypothesis, respectively, and each label is interpreted as meaning the premise entails the hypothesis, the premise is neutral with respect to the hypothesis, or the premise contradicts the hypothesis.
a contradiction score is computed for each candidate as: if the candidate u i does not contradict any persona sentence p j according to the NLI  is the highest confidence, c i,j , out of the contradicting (u i , p j ).