math-nli: Output if sentence 2 Entails statement 1 or Contradicts statement 1 - 
sentence 1: Joseph had some plum. Mark took 23 from him. Now Joseph has 58 plum. 
sentence 2:  Joseph had 81 plums to begin with.
<equate> (58 + 23, 81)
Joseph had some plum. Mark took 23 from him. Now Joseph has 58 plum. 
 Joseph had 81 plums to begin with.