If an image shows only one syringe, and its needle is exposed.
return images ;return syringes in  #1 ;return needle of  #2 ;return #2 where #3 is  exposed ;return number of #4 for each #1 ;return #1 where #5 is  equal to one ;return number of #6 ;return if  #7 is  equal to one
['select', 'project', 'project', 'comparative', 'group', 'comparative', 'aggregate', 'boolean']