If each image contains the same number of syringes, and the combined images contain at least four syringes in total.
return syringes ;return images ;return number of  #1 for each  #2 ;return #2 where  #3 are the  same ;return number of #2 ;return number of #4 ;return if  #5 is equal to  #6 ;return number of #1 ;return if  #8 is at least four ;return if  both  #7 and #9 are true
['select', 'select', 'group', 'comparative', 'aggregate', 'aggregate', 'boolean', 'aggregate', 'boolean', 'boolean']