Given below are two statements, followed by three conclusions, I, II and III. You have to consider the statements to be true even if they seems to be a variance with commonly known facts. You have to decide which of the given conclusions, if any, follow(s) from the given statements.

Statement I: All polymers are plastic.

Statement 2: No rubber is plastic

Conclusion I: Some polymers are rubber

Conclusion II: Some plastics are polymer.

Conclusion III: No polymer is rubber.