math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Ying had 208 Press. Gary clutched some Press. Now Ying has 19  Press. 
sentence 2:  Gary clutched 189 Press.
<equate> (208 - 19, 189)
Ying had 208 Press. Gary clutched some Press. Now Ying has 19  Press. 
 Gary clutched 189 Press.