In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusion logically follows the given statements.

Statements:
I. All pencil are pen.
II. Some pen are rubber.

Conclusion:
I. All rubber are pencil.
II. Some pen are not pencil.
III. Some rubber are not pen.