question: If an image shows exactly one canoe sitting in the water.
#1 return canoes 
#2 return the  water 
#3 return #1 sitting in  #2 
#4 return images of #3 
#5 return number of  #3 for each  #4 
#6 return #4 where  #5 is equal to  one 
#7 return number of  #6 
#8 return if  #7 is equal to  one