math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Grace had 7 seashells. Shirley provideed him some more. Now Grace has 107 seashells. 
sentence 2:  Shirley provided Grace with 103 seashells.
<equate> (107 - 7, 103)
Grace had 7 seashells. Shirley provideed him some more. Now Grace has 107 seashells. 
 Shirley provided Grace with 103 seashells.