If there is at least one person dressed in a yellow robe carrying an umbrella
return people ;return robe ;return #2 that is yellow ;return #1 dressed in  #3 ;return umbrella ;return #4 carrying #5 ;return number of  #6 ;return if  #7 is at least one
['select', 'select', 'filter', 'filter', 'select', 'filter', 'aggregate', 'boolean']