math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Angela had some apple. Richard gave him 7 more. Now Angela has 19 apple. 
sentence 2:  Angela had 12 apples primitively.
<equate> (19 - 7, 12)
Angela had some apple. Richard gave him 7 more. Now Angela has 19 apple. 
 Angela had 12 apples primitively.