If there are 2 round bracelets made with beads and safety pins.
return bracelets ;return #1 that are round ;return beads ;return safety pins ;return #2 made with #3 ;return #2 made with #4 ;return #2 in  both  #5 and #6 ;return number of  #7 ;return if  #8 is equal to  two
['select', 'filter', 'select', 'select', 'filter', 'filter', 'intersection', 'aggregate', 'boolean']