Statements: Some officers are clerks.
No clerk is a peon.
All peons are guards.
Conclusions: I. No guard is a clerk.
II. Some officers are not guards.
No clerk is peon (E) + All peons are guards (A) = Some guards are not clerks (O*). Hence, conclusion I will not follow. I + E = O and O + A = No conclusion. Hence, conclusion II will also not follow.