If there are two bottles, one glass and one plastic.
return bottles ;return number of  #1 ;return if  #2 is equal to  two ;return #1 that is glass ;return #1 that is plastic ;return number of  #4 ;return number of  #5 ;return if  #6 is equal to  one ;return if  #7 is equal to  one ;return if  both  #8 and #9 are true ;return if  both  #3 and #10 are true
['select', 'aggregate', 'boolean', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean', 'boolean']