#1 return front door 
#2 return #1 that is  brown 
#3 return signage 
#4 return #3 that is  blue 
#5 return #2 that is  under #4 
#6 return images 
#7 return number of #5 for each #6 
#8 return #7 that is  equal to one 
#9 return number of #8 
#10 return If #9 is  at least one
If in at least one image there is a single brown front door under blue signage.