math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Tara had 260 kiwi. Margaret gripped some kiwi. Now Tara has 93  kiwi. 
sentence 2:  Margaret gripped 167 kiwi.
<equate> (260 - 93, 167)
Tara had 260 kiwi. Margaret gripped some kiwi. Now Tara has 93  kiwi. 
 Margaret gripped 167 kiwi.