math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Christopher had 178 blackberry. Christi lay hold of some blackberry. Now Christopher has 38  blackberry. 
sentence 2:  Christi laid hold of 144 blackberries.
<equate> (178 - 38, 144)
Christopher had 178 blackberry. Christi lay hold of some blackberry. Now Christopher has 38  blackberry. 
 Christi laid hold of 144 blackberries.