Three Statements are given followed by Three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

All jacks are aces.

No ace is a king.

Some queens are kings.

Conclusions:

I. Some queens are jacks.

II. Some kings are jacks.

III. No jack is a king.

Only conclusion III follows.