If in at least one image there are at least four mean putting their right leg high up on a fence.
return mean ;return right leg of #1 ;return a  fence ;return #1 putting #2 high up on #3 ;return images of #4 ;return number of  #4 for each  #5 ;return #5 where  #6 is at least four ;return number of  #7 ;return if  #8 is at least one
['select', 'project', 'select', 'filter', 'project', 'group', 'comparative', 'aggregate', 'boolean']