math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Elizabeth has 142 Marbles. Derek gave him 91 more. 
sentence 2:  Elizabeth has 233 Marbles.
<equate> (91 + 142, 233)
Elizabeth has 142 Marbles. Derek gave him 91 more. 
 Elizabeth has 233 Marbles.