If left image contains no more than four chimps, including a close trio.
return left image ;return chimps in  #1 ;return number of  #2 ;return if  #3 is at most four ;return close trio of #2 ;return number of  #5 ;return if  #6 is equal to  one ;return if  both  #4 and #7 are true
['select', 'project', 'aggregate', 'boolean', 'project', 'aggregate', 'boolean', 'boolean']