Syllogism 4I Given the Following Syllogism

Multiple Choice

Syllogism 4I
Given the following syllogism:
Games are not fun unless they are challenging, so chess is fun, because chess is challenging.
-For Syllogism 4I, the conclusion is:

A) All games identical to chess are fun games.
B) All games identical to chess are challenging games.
C) No unchallenging games are games identical to chess.
D) All challenging games are games identical to chess.
E) All fun games are challenging games.