If one image shows zebras in water and the other image shows zebras on grassland.
return zebras ;return water ;return grassland ;return #1 in  #2 ;return #1 on #3 ;return if  #4 is in  one image  ;return if  #5 is in  other image  ;return if  both  #6 and #7 is true
['select', 'select', 'select', 'filter', 'filter', 'boolean', 'boolean', 'boolean']