RRB Paramedical Staff Nurse Model Paper 5

In the following questions below are given some statements followed by some given conclusions. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts. Give answer:
Statements:
All trees are flowers.
Some flowers are leaves.
No leaf is bud.
Conclusions:
I. No bud is a flower.
II. Some buds are flowers.
III. Some leaves are trees.