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 123 Pens in the first place.
<equate> (68 + 55, 123)
Amanda had some Pen. Becky took 55 from him. Now Amanda has 68 Pen. 
 Amanda had 123 Pens in the first place.