What are the event that foreshadow the ending in the story of a rose for emily

The best events that foreshadow the ending for "A Rose for Emily" are:

1) When Homer Barron goes missing in the town.

2) When the strange odor starts to come out of Ms. Emily's house.

3) When Ms. Emily buys rat poison to deal with a "pest."

4) When the town says, "He has been heard to say he is not the marrying type."