If the right image contains no more than one blue parrot that is facing towards the left.
return parrots ;return #1 that are  blue ;return #2 that are  facing towards the  left ;return #3 in  the  right image ;return number of #4 ;return if  #5 is  at most one
['select', 'filter', 'filter', 'filter', 'aggregate', 'boolean']