math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Tina had some Press. Theresa gave him 8 more. Now Tina has 40 Press. 
sentence 2:  Tina had 28 Press at first.
<equate> (40 - 8, 28)
Tina had some Press. Theresa gave him 8 more. Now Tina has 40 Press. 
 Tina had 28 Press at first.