math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Larry had 190 Pen. Jean took 99 from him. Now 
sentence 2:  Larry has 91 pens.
<equate> (190 - 99, 91)
Larry had 190 Pen. Jean took 99 from him. Now 
 Larry has 91 pens.