math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Latoya purchased a prepaid phone card for 30 dollars. Long distance calls cost 16 cents a minute using this card. Latoya used her card only once to make a long distance call. If the remaining credit on her card is 26.48 dollars , 
sentence 2:  Latoya's call lasted for 27 minutes.
<equate> (30.0-26.48, 27)
Latoya purchased a prepaid phone card for 30 dollars. Long distance calls cost 16 cents a minute using this card. Latoya used her card only once to make a long distance call. If the remaining credit on her card is 26.48 dollars , 
 Latoya's call lasted for 27 minutes.