Premise: Only employees with security clearance may access Level 3 files. Premise: Janelle accessed Level 3 files. Conclusion: Janelle has security clearance. Is this conclusion valid?
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A
The conclusion does not follow — Janelle may have accessed them accidentally.
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B
The conclusion does not follow — security systems can be bypassed.
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C
The conclusion follows — only cleared employees can access Level 3 files, so Janelle must be cleared.
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D
The conclusion follows only if Janelle is a full-time employee.