math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Betty wants to split 279 raspberrys among 18 friends. 
sentence 2:  Each friend would get 31/2 raspberries.
<equate> (279 / 18, 31/2)
Betty wants to split 279 raspberrys among 18 friends. 
 Each friend would get 31/2 raspberries.