In the question three statements are given, followed by three conclusions, I, II and III. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements
Statement I: No bronze is copper
Statement II: Some alloy is bronze
Statement III: Some zinc is alloy

Conclusion I: Some zinc is bronze
Conclusion II: Some copper is zinc
Conclusion III: some alloy is copper