If one image contains exactly four phones, and the other image contains at least five phones.
return one image  ;return the  other image  ;return phones  in  #1 ;return phones  in  #2 ;return number of  #3 ;return number of  #4 ;return if  #5 is equal to  four ;return if  #6 is at least five ;return if  both  #7 and #8 are true
['select', 'select', 'project', 'project', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']