math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Joseph had 61 Box. Keisha took 8 from him. Now 
sentence 2:  Joseph has 49 boxes.
<equate> (61 - 8, 49)
Joseph had 61 Box. Keisha took 8 from him. Now 
 Joseph has 49 boxes.