question: If there are exactly two boars, and they don't look like the same boar.
#1 return boars 
#2 return number of #1 
#3 return If #2 is  equal to two 
#4 return If #1 look the  same 
#5 return If #4 is  false 
#6 return If both  #3 and #5 is  true