If both images show kneepads modelled on human legs.
return kneepads ;return legs ;return #2 that are human ;return #1 modelled on #3 ;return images of #4 ;return the  number of  #5 ;return if  #6 is equal to  two
['select', 'select', 'filter', 'filter', 'project', 'aggregate', 'boolean']