Is the thing hiding behind the green sphere the same shape of any other thing?
return things ;return green sphere ;return #1 hiding behind #2 ;return #1 besides  #3 ;return shape of #3 ;return shape of #4 ;return #4 where #5 is the  same as #6 ;return is there  any #7
['select', 'select', 'filter', 'discard', 'project', 'project', 'comparative', 'boolean']