math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Amanda had some Pen. Becky took 55 from him. Now Amanda has 68 Pen. 
sentence 2:  Amanda had 120 pens in the first place.
<equate> (68 + 55, 120)
Amanda had some Pen. Becky took 55 from him. Now Amanda has 68 Pen. 
 Amanda had 120 pens in the first place.