math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Hillary had 127 lychee. Maria clutched some lychee. Now Hillary has 78  lychee. 
sentence 2:  Maria clutched 49 lychees.
<equate> (127 - 78, 49)
Hillary had 127 lychee. Maria clutched some lychee. Now Hillary has 78  lychee. 
 Maria clutched 49 lychees.