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(s) from the statements.

Statements:
1. All cars are trucks.
2. Some buses are cars.

Conclusions:
I. All cars are buses.
II. Some buses are trucks.
III. All trucks are buses.

Only conclusion II follows.