Three statements are followed by four conclusions numbered I, II, III and IV. You have to consider these statements to be true, even if they seem at variance from commonly known facts. Decide which of the given conclusions logically follow(s) from the given statements.
Statements:
1. No plant is a flower.
2. No flower is a leaf.
3. Some plants are leaves.
Conclusions:
I. No leaf is a plant.
II. No leaf is a flower.
III Some flowers are plants.
IV. All leaves are plants.