math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Frank had 156 blueberry. Marsha took 123 from him. Now 
sentence 2:  Frank has 33 blueberries.
<equate> (156 - 123, 33)
Frank had 156 blueberry. Marsha took 123 from him. Now 
 Frank has 33 blueberries.