If there are two dogs side by side , at least one dog has dog tags on it's collar
return dogs ;return #1 that are side by side  ;return collar of #1 ;return dog  tag ;return #3 that have #4 on ;return #1 that has #5 ;return number of  #2 ;return number of  #6 ;return if  #7 is equal to  two ;return if  #8 is at least one ;return if  both  #9 and #10 are true
['select', 'filter', 'project', 'select', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']