math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: William had 193 fig. Aaron took 34 from him. Now 
sentence 2:  William has 160 figs.
<equate> (193 - 34, 160)
William had 193 fig. Aaron took 34 from him. Now 
 William has 160 figs.