Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

Statements:
Some pencils are pens.
All pens are papers.
All pencils are colours.

Conclusions:
I. All colours are pens.
II. Some colours are pencils.
III. Some papers are pens.