math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Michael has 127 Marbles. Richard gave him 121 more. 
sentence 2:  Michael has 248 Marbles.
<equate> (121 + 127, 248)
Michael has 127 Marbles. Richard gave him 121 more. 
 Michael has 248 Marbles.