math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Elsie had 166 Watch. Tanya grabbed some Watch. Now Elsie has 12  Watch. 
sentence 2:  Tanya grabbed 153 Watch.
<equate> (166 - 12, 153)
Elsie had 166 Watch. Tanya grabbed some Watch. Now Elsie has 12  Watch. 
 Tanya grabbed 153 Watch.