Question

which of the following is not an example of an effective hook?
revolutionary jazz artist duke ellington is quoted to have said, \gray skies are just clouds passing over.\
i have often associated gray skies with headaches.
did you know that the reason why clouds are gray is due to a shadow being cast inside the cloud itself (raymond, 20)
the sky was gray.

Explanation:

An effective hook grabs the reader's attention. A quote from a well - known figure, a personal association, or a little - known fact can be effective. "The sky was gray." is a simple, mundane statement that does not engage the reader.

Answer:

The sky was gray.