math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Harry had 21 Biscuit. Kelly supplyed him some more. Now Harry has 178 Biscuit. 
sentence 2:  Kelly supplied Harry with 155 Biscuit.
<equate> (178 - 21, 155)
Harry had 21 Biscuit. Kelly supplyed him some more. Now Harry has 178 Biscuit. 
 Kelly supplied Harry with 155 Biscuit.