math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Pamela bought 9.8 ounces of sugar, and she spilled 5.2 ounces of it on the floor. 
sentence 2:  Pamela has 6.6 ounces of sugar left.
<equate> (9.8 - 5.2, 6.6)
Pamela bought 9.8 ounces of sugar, and she spilled 5.2 ounces of it on the floor. 
 Pamela has 6.6 ounces of sugar left.