If one image shows a herd of at least 20 llamas led by multiple camera-facing white llamas, with mountain peaks behind them.
return llamas  ;return #1 that are white ;return #2 that are camera-facing ;return #1 led by multiple #3 ;return number of  #4 ;return if  #5 is at least 20 ;return mountain peaks ;return if  #7 are behind #1 ;return if  both  #6 and #8 are true
['select', 'filter', 'filter', 'filter', 'aggregate', 'boolean', 'select', 'boolean', 'boolean']