math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Jade had 163 pear. David took 99 from him. Now 
sentence 2:  Jade has 63 pears.
<equate> (163 - 99, 63)
Jade had 163 pear. David took 99 from him. Now 
 Jade has 63 pears.