Explanation:

- The word "Priority" (Option 1) is spelled correctly. It refers to the fact or condition of being regarded or treated as more important.

- "Detective" (Option 2) is also spelled correctly. It refers to a person, especially a police officer, whose occupation is to investigate and solve crimes.

- "Evidence" (Option 3) is correct in spelling as well. It denotes the available body of facts or information indicating whether a belief or proposition is true or valid.

- Vacine (Option 4) is spelled incorrectly. The correct spelling is "Vaccine," which refers to a substance used to stimulate the production of antibodies and provide immunity against diseases.