If in at least one image there is a mother and calf zebra touching noses.
return zebra ;return #1 that is a  mother ;return #1 that is a  calf ;return nose of #2 ;return nose of #3 ;return #4 that is touching #5 ;return if  #6 is in  at least one image
['select', 'filter', 'filter', 'project', 'project', 'filter', 'boolean']