Answer:
optimistic
Explanation:
The witer 's tone is optimistic , which makes the ending even more surprising and tragic. This optimistic tone is illustrated through the underlined words : "The morning of June 27th was clear and sunny, with the fresh warmth of a full-summer day; the flowers were blossoming profusely and the grass was richly green.." This tone will give the story a sinister atmosphere since this setting refers to the fact villagers meet in a square to play the lottery, which sounds quite normal , but then, the result of the lottery consists in killing one villager.