question: If at least one train in the image on the left has a full length white stripe.
#1 return the  image on the left 
#2 return trains in  #1 
#3 return stripe 
#4 return #3 that is white 
#5 return length of #4 
#6 return length of #2 
#7 return #4 where  #5 is equal to  #6 
#8 return #2 that have #7 
#9 return number of  #8 
#10 return if  #9 is at least one