math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Joseph had 6 Pen. Jean gifted him some more. Now Joseph has 47 Pen. 
sentence 2:  Jean gifted Joseph 46 pens.
<equate> (47 - 6, 46)
Joseph had 6 Pen. Jean gifted him some more. Now Joseph has 47 Pen. 
 Jean gifted Joseph 46 pens.