Is the number of rubber objects equal to the number of objects that are to the left of the cyan sphere?
return the  cyan sphere ;return objects to the  left of   #1 ;return objects ;return #3 that are rubber ;return number of  #2 ;return number of  #4 ;return if #6 is equal to #5
['select', 'project', 'select', 'filter', 'aggregate', 'aggregate', 'boolean']