math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Mary had 149 Flower. Barbara gripped some Flower. Now Mary has 16  Flower. 
sentence 2:  Barbara gripped 133 flowers.
<equate> (149 - 16, 133)
Mary had 149 Flower. Barbara gripped some Flower. Now Mary has 16  Flower. 
 Barbara gripped 133 flowers.