math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Frances had 174 Box. Gwendolyn took 171 from him. Now 
sentence 2:  Frances has 4 boxes.
<equate> (174 - 171, 4)
Frances had 174 Box. Gwendolyn took 171 from him. Now 
 Frances has 4 boxes.