math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Clayton had 173 coconut. Joseph took 8 from him. Now 
sentence 2:  Clayton has 160 coconuts.
<equate> (173 - 8, 160)
Clayton had 173 coconut. Joseph took 8 from him. Now 
 Clayton has 160 coconuts.