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:
1. All colours are reds.
2. Some reds are greens.
3. All greens are dark.

Conclusions:
I. All colours being dark is a possibility.
II. Some reds are dark.
III. Some reds are colours.