math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Marjorie had 232 Beg. Lois gripped some Beg. Now Marjorie has 74  Beg. 
sentence 2:  Lois gripped 157 Beg.
<equate> (232 - 74, 157)
Marjorie had 232 Beg. Lois gripped some Beg. Now Marjorie has 74  Beg. 
 Lois gripped 157 Beg.