If there are tables and chairs for the customers.
return tables ;return chairs ;return the  customers ;return #1 that are for #3 ;return #2 that are for #3 ;return number of  #4 ;return number of  #5 ;return if  #6 is at least two ;return if  #7 is at least two ;return if  both  #8 and #9 are true
['select', 'select', 'select', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']