If one bottle is filled with colored liquid and the other is filled with clear liquid.
return bottles ;return liquids ;return #2 that is colored ;return #1 that is filled with #3 ;return #2 that is clear ;return #1 that is filled with #5 ;return number of  #4 ;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', 'filter', 'filter', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']