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 form the statements.

Statements:

1. Some buns are tarts.

2. All tarts are pastries.

3. All pastries are breads.

Conclusions :
I. Some breads are buns.

II. Some pastries are buns.

III. Some tarts are buns.

IV. Some buns are breads.

All the conclusions follow.