math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Patricia had some watermelon. Robert gave him 4 more. Now Patricia has 50 watermelon. 
sentence 2:  Patricia had 46 watermelons to begin with.
<equate> (50 - 4, 46)
Patricia had some watermelon. Robert gave him 4 more. Now Patricia has 50 watermelon. 
 Patricia had 46 watermelons to begin with.