math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Bethany had some Pen. James took 34 from him. Now Bethany has 41 Pen. 
sentence 2:  Bethany had 71 Pens in the beginning.
<equate> (41 + 34, 71)
Bethany had some Pen. James took 34 from him. Now Bethany has 41 Pen. 
 Bethany had 71 Pens in the beginning.