question: If the trains in the right and left images are headed in completely different directions.
#1 return the  right image 
#2 return the  left image 
#3 return trains in  #1 
#4 return trains in  #2 
#5 return direction headed in  of #3 
#6 return direction headed in  of #4 
#7 return if  #5 is completely different than #6