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. Some animals are elephants.
2. Some elephants are tigers.

Conclusions:
I. Some animals are tigers.
II. No tiger is an animal.

Either conclusion I or II follows.