If the shoe on the left has laces tied into a bow while the shoe on the right has laces that tighten without tying.
return shoes ;return #1 that is  on the  left ;return laces of  #2 ;return If #3 are  tied into a  bow ;return #1 that is  on the  right ;return #5 that has laces tighten ;return If #6 is  without tying ;return If both  #4 and #7 are  true
['select', 'filter', 'project', 'boolean', 'filter', 'filter', 'boolean', 'boolean']