Read the excerpt from the article "Mrs. Hossack's Parting Plea." It is universally believed at Indianola that if Mrs. Hossack did not murder her husband she knows who did.

Which most supports the idea that the excerpt is an opinion?
It contains information and ideas that can be proven using objective evidence.
It contains a situation that has not actually occurred and is purely hypothetical.
It contains the word “universally,” which suggests a judgment has been made.
It contains the word “knows,” which suggests that the evidence can be proven.