math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Keith spent $ 6.51 on a rabbit toy , $ 5.79 on pet food , and a cage cost him $ 12.51 . He found a dollar bill on the ground . What was the total cost of Keith 's purchases ?
sentence 2:  The total cost of Keith's purchases was $24.81.
<equate> (6.51 + 5.79 + 12.51, $24.81.)
Keith spent $ 6.51 on a rabbit toy , $ 5.79 on pet food , and a cage cost him $ 12.51 . He found a dollar bill on the ground . What was the total cost of Keith 's purchases ?
 The total cost of Keith's purchases was $24.81.