math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Nicholas had 118 Biscuit. Crystal took 67 from him. Now 
sentence 2:  Nicholas has 51 biscuits.
<equate> (118 - 67, 51)
Nicholas had 118 Biscuit. Crystal took 67 from him. Now 
 Nicholas has 51 biscuits.