Question

Three statements are followed by four conclusions number 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