If the left and right image contains no more than three total llamas.
return the  left image ;return the  right image ;return llamas in  #1 ;return llamas in  #2 ;return number of #3 ;return number of #4 ;return sum of  #5 and #6 ;return if  #7 is  at most three
['select', 'select', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic', 'boolean']