math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Shelby has 95 Marbles. Charles gave him 159 more. 
sentence 2:  Shelby has 249 Marbles.
<equate> (159 + 95, 249)
Shelby has 95 Marbles. Charles gave him 159 more. 
 Shelby has 249 Marbles.