math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: David had some papaya. Kimberly gave him 4 more. Now David has 50 papaya. 
sentence 2:  David had 46 papaya primitively.
<equate> (50 - 4, 46)
David had some papaya. Kimberly gave him 4 more. Now David has 50 papaya. 
 David had 46 papaya primitively.