How do you diagram a sentence that lists off things?

Example: Red, orange, yellow, green, blue, indigo, and violet are the colors of the rainbow.

Question

How do you diagram a sentence that lists off things?

Example: Red, orange, yellow, green, blue, indigo, and violet are the colors of the rainbow.

texaschic101 · Answer

Red, orange,yellow,green,blue,indigo,and violet - subject
are - verb
the colors - direct object
of the rainbow - prep phrase (modifying " colors " )
                                
 (Red, Orange..etc)               (are)                    (colors)
------S------------| ------V-------|--------D.O.--------
                                                                   \                  \ 
                                                                  (the)              (of)
                                                                                        ^
                                                                                   (rainbow)
                                                                                             \
                                                                                             (the)