Which sentence contains an opinion of the author and is too informal for the tone of this passage?

(1) Emily Dickinson is regarded as one of the greatest American poets. (2) She was born in 1830 in Amherst, Massachusetts, to a very prominent family. (3) Her childhood was normal, filled with friends, activities, and having fun. (4) As she grew older, she began to isolate herself and even to refuse to leave her home. (5) In her latter years, she wore only white and would not let anyone but her family see her. (6) She spent most of her time alone writing poetry. (7) During her lifetime, she published only seven of her poems, and she published those anonymously. (8) After her death in 1886, her sister discovered packets of her poems in her drawer. (9) Four years later, her first books of poems were published.

(10) Her poetry is wonderful to read. (11) Concrete imagery was used by her to illustrate abstract concepts, such as love and death. (12) Her unusual use of capitalization and punctuation and her use of irregular meter and rhyme make her poetry unique.

Explanation:

judy jones is an attractive woman who receives attention from many men throughout the story.   despite her beautiful appearance, she is superficial and callous.   she is an aggressive woman who goes after any man she desires but she is not happy.   she is fickle and is never satisfied.   her beauty is only skin deep.   dexter breaks down because he knows his dreams are unattainable.   he believes that wealth and physical beauty are what will make him happy.   he soon realizes that she has lost her attractive looks.   it is not all what he had planned.