Question

what is the meaning of red herring?
the detective wasnt sure if the ticket stub was a real due or just another red herring.
a piece of information that misleads or distracts
the most important fact
a brightly colored fish with a strong smell
a rough estimate for an amount
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Explanation:

"Red herring" is an idiom. In the context of the sentence about the detective, it implies something that misleads. The first option "a piece of information that misleads or distracts" aligns with this idiomatic usage. The second option is incorrect as it's not about the most important fact. The third is a literal (incorrect in this context) meaning of "red herring" (the fish). The fourth is unrelated to the idiom's meaning.

Answer:

a piece of information that misleads or distracts