If one pizza is pepperoni and the other has some green peppers.
return pizzas ;return pepperoni ;return peppers ;return #3 that are green ;return #1 that have #2 ;return #1 that have #4 ;return number of  #5 ;return number of  #6 ;return if  #7 is equal to  one ;return if  #8 is equal to  one ;return if  both  #9 and #10 are true
['select', 'select', 'select', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']