math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Tommy had 92 watermelon. Joseph took 44 from him. Now 
sentence 2:  Tommy has 42 watermelon.
<equate> (92 - 44, 42)
Tommy had 92 watermelon. Joseph took 44 from him. Now 
 Tommy has 42 watermelon.