If one of the images contains a row of safety pins and only one is open.
return safety pins ;return #1 that are in  a  row ;return #2 that is open ;return number of  #3 ;return if  #4 is equal to  one ;return if  #2 is in  one image ;return if  both  #6 and #5 are true
['select', 'filter', 'filter', 'aggregate', 'boolean', 'boolean', 'boolean']