Three statements are given, followed by three conclusions numbered 1, 2 and 3. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements.

Statements:

1. Some locks are keys.

2. Some keys are blades.

3. No blade is a gum.

Conclusions:

1. No gum is a key.

2. No blade is a lock.

3. Some keys are locks.