can you please provide the story?
Actually there are some exceptions in some cases though: a/an
example: "not only is there 3 species, but there is a 4th specimen."
Dudley Randall's poem “Ballad of Birmingham” is a tribute to a real-life church bombing in 1963, which killed four young girls. The main theme is that nothing - not even a mother's love or the sacred walls of a church - can protect an innocent child from racial violence.
A bit tragic :I
The first one answer is the correct answer
Symbolism is a figure of speech used for when an author wants to create a certain mood or emotion whilst writing a book or a novel.