math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Marjorie had 77 pear. Hilda took 8 from him. Now 
sentence 2:  Marjorie has 68 pears.
<equate> (77 - 8, 68)
Marjorie had 77 pear. Hilda took 8 from him. Now 
 Marjorie has 68 pears.