math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Mary had 7 nickels in her bank . Her dad gave her 5 nickels . 
sentence 2:  Mary has 11 nickels.
<equate> (7 + 5, 11)
Mary had 7 nickels in her bank . Her dad gave her 5 nickels . 
 Mary has 11 nickels.