If one image shows only one penguin family, with parents flanking a baby.
return penguin family ;return parents of #1 ;return baby of #1 ;return #2 that are flanking #3 ;return #1 that has #4 ;return images ;return number of  #5 for each  #6 ;return #6 where  #7 is equal to  one ;return number of  #8 ;return if  #9 is equal to  one
['select', 'project', 'project', 'filter', 'filter', 'select', 'group', 'comparative', 'aggregate', 'boolean']