If red canapes cover some of the machines outside.
return canapes ;return #1 that are red ;return machines ;return #3 that are outside ;return #4 that #2 cover ;return number of  #3 ;return number of  #5 ;return if  #7 is at least one ;return difference of #6 and #7 ;return if  #9 is higher than zero ;return if  both  #8 and #10 are true
['select', 'filter', 'select', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'arithmetic', 'boolean', 'boolean']