JUPEBUse of EnglishLogical Reasoning

Consider the two statements. All JUPEB candidates are secondary school leavers. Some secondary school leavers are farmers. Which conclusion follows with certainty?

ANo conclusion linking JUPEB candidates and farmers can be drawn with certainty.CORRECT
BSome JUPEB candidates are farmers.
CSome farmers are JUPEB candidates.
DAll JUPEB candidates are farmers.
AI
Toaster Teacher
Why the answer is A, and why the others tempt you.
The farmers mentioned are only 'some' secondary school leavers, and nothing says they include any JUPEB candidates. The candidates could all be among the school leavers who are not farmers. Since the middle term is not distributed, no valid conclusion connects the two groups; asserting that some overlap exists is a common but invalid inference.
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