math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Joan has 47 green and 48 red marbles . Fred took 24 of Joan 's green marbles . 
sentence 2:  Joan now has 23 green marbles.
<equate> (47 - 24, 23)
Joan has 47 green and 48 red marbles . Fred took 24 of Joan 's green marbles . 
 Joan now has 23 green marbles.