If a human is holding at least one chow chow puppy in their arms.
return human ;return arms of #1 ;return chow  chows ;return #3 that are puppy ;return #4 that #2 are holding ;return number of  #5 ;return if  #6 is at least one
['select', 'project', 'select', 'filter', 'filter', 'aggregate', 'boolean']