math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Steve had 271 lychee. Lenny lay hold of some lychee. Now Steve has 31  lychee. 
sentence 2:  Lenny laid hold of 240 lychees.
<equate> (271 - 31, 240)
Steve had 271 lychee. Lenny lay hold of some lychee. Now Steve has 31  lychee. 
 Lenny laid hold of 240 lychees.