### Instruction:  "statement 1": John was thrice as old as Tom 6 yrs back, "statement 2" :John was thrice as old as Tom 2 yrs back, "options: " Entailment or contradiction or neutral? Let's program in Python in the response.### Response: Years_s1 = 6
Years_s2 = 2
if Years_s1 is None or Years_s2 is None:
   print('neutral')
elif Years_s1 == Years_s2:
   print('Entailment')
elif Years_s1 != Years_s2:
  print('contradiction')