math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Joseph has 67 Marbles. Diane gave him 61 more. 
sentence 2:  Joseph has 128 Marbles.
<equate> (61 + 67, 128)
Joseph has 67 Marbles. Diane gave him 61 more. 
 Joseph has 128 Marbles.