math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Judith had 93 Pen. Yolanda took 50 from him. Now 
sentence 2:  Judith has 43 pens.
<equate> (93 - 50, 43)
Judith had 93 Pen. Yolanda took 50 from him. Now 
 Judith has 43 pens.