math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Walter had some nectarine. Robert gave him 3 more. Now Walter has 41 nectarine. 
sentence 2:  Walter had 40 nectarines.
<equate> (41 - 3, 40)
Walter had some nectarine. Robert gave him 3 more. Now Walter has 41 nectarine. 
 Walter had 40 nectarines.