If the rectangular dispenser on the left is taller than the white dispenser on the right.
return dispensers ;return #1 that is rectangular ;return #2 that is on the  left ;return #1 that is white ;return #4 that is on the  right ;return tallness of #3 ;return tallness of #5 ;return if  #6 is higher than #7
['select', 'filter', 'filter', 'filter', 'filter', 'project', 'project', 'boolean']