What are there there examples of foreshadowing in the lottery?

One example of foreshadowing in "The Lottery" is the children gathering stones and piling them up, which hints at a darker event to come involving the use of stones. Another example is the mention of the black box, which represents tradition and the ominous nature of the lottery ritual. Finally, the conversation among the characters about other towns considering abolishing the lottery foreshadows the rebellion to come in the story.