math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Katherine had 193 pineapple. Steven took 123 from him. Now 
sentence 2:  Katherine has 70 pineapples.
<equate> (193 - 123, 70)
Katherine had 193 pineapple. Steven took 123 from him. Now 
 Katherine has 70 pineapples.