math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Silvia has 3 Marbles. Michael gave him 16 more. 
sentence 2:  Silvia has 19 Marbles.
<equate> (16 + 3, 19)
Silvia has 3 Marbles. Michael gave him 16 more. 
 Silvia has 19 Marbles.