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:

Some ducks are hens.

Some hens are chickens.

Conclusions:

I. Some ducks are chickens.

II. Some hens are ducks.

Only conclusion II follows.