math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Richard had 106 peach. David took 71 from him. Now 
sentence 2:  Richard has 38 peaches.
<equate> (106 - 71, 38)
Richard had 106 peach. David took 71 from him. Now 
 Richard has 38 peaches.