math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Ann had 20 mango. Mary bestowed him some more. Now Ann has 122 mango. 
sentence 2:  Mary bestowed 106 mangoes to Ann.
<equate> (122 - 20, 106)
Ann had 20 mango. Mary bestowed him some more. Now Ann has 122 mango. 
 Mary bestowed 106 mangoes to Ann.