math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Carl had 25 Biscuit. James bestowed him some more. Now Carl has 42 Biscuit. 
sentence 2:  James bestowed 18 Biscuit to Carl.
<equate> (42 - 25, 18)
Carl had 25 Biscuit. James bestowed him some more. Now Carl has 42 Biscuit. 
 James bestowed 18 Biscuit to Carl.