math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Sheri had some blackberry. He chop each blackberry into 9 slices. If total 63 blackberry slices Sheri make, then 
sentence 2:  Sheri had 7 blackberries.
<equate> (63 / 9, 7)
Sheri had some blackberry. He chop each blackberry into 9 slices. If total 63 blackberry slices Sheri make, then 
 Sheri had 7 blackberries.