Is the thing behind the red cylinder the same shape as the thing behind the yellow square?
return things ;return red cylinder ;return yellow square ;return #1 behind #2 ;return #1 behind #3 ;return shape of #4 ;return shape of #5 ;return is  #6 the   same as #7
['select', 'select', 'select', 'filter', 'filter', 'project', 'project', 'boolean']