Three statements are given followed by three conclusions numbered I, II and III. Assuming that the information given in the statements is true, even if it appears to be different from commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:
1. No jungles are trees.
2. Some trees are long.
3. No plants are long.

Conclusions:
I. Some plants are trees.
II. All trees are long.
III. Some jungles are long.