math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Joseph had 12 Pen. Madison supplyed him some more. Now Joseph has 129 Pen. 
sentence 2:  Madison supplied Joseph with 117 pens.
<equate> (129 - 12, 117)
Joseph had 12 Pen. Madison supplyed him some more. Now Joseph has 129 Pen. 
 Madison supplied Joseph with 117 pens.