math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Jean had 61 Watch. Victor took 57 from him. Now 
sentence 2:  Jean has 7 watches less than Victor.
<equate> (61 - 57, 7)
Jean had 61 Watch. Victor took 57 from him. Now 
 Jean has 7 watches less than Victor.