math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Keesha had 200 blueberry. Gary grabbed some blueberry. Now Keesha has 21  blueberry. 
sentence 2:  Gary grabbed 179 blueberries.
<equate> (200 - 21, 179)
Keesha had 200 blueberry. Gary grabbed some blueberry. Now Keesha has 21  blueberry. 
 Gary grabbed 179 blueberries.