If one photo shows one or more monks with yellow robes and an umbrella.
return monks ;return robes of  #1 ;return umbrellas ;return #2 that are  yellow ;return #1 that are  with  #4 ;return #5 that are  with  #3 ;return number of #6 ;return If #7 is  at least one
['select', 'project', 'select', 'filter', 'filter', 'filter', 'aggregate', 'boolean']