. A Poison Tree is a short and deceptively simple poem about repressing anger and the consequences of doing so. The speaker tells of how they fail to communicate their wrath to their foe and how this continues to grow until it develops into poisonous hatred.
We are apt to shut our eyes against a painful truth, and listen to the song of that siren till she transforms us into beasts.
Answer:
Vera tells Framton the tragedy of how Mrs. Sappleton's husband and brothers went hunting one day and never returned. Just after finishing this story, Mrs. Sappleton enters and apologizes for the open window, which is a set of French doors, and tells Framton that her husband and brothers will be returning soon.
Explanation:
The narrator is Reliable because he willingly relates details of his breakdown into insanity