Three statements are followed by four conclusions numbered I, II, III and IV. You have to consider these statements to be true, even if they seem at variance from commonly known facts. Decide which of the given conclusions logically(s) follow from the given statements.

Statements:

1. All petrol are diesel.

2. No diesel is kerosene.

3. All fuels are kerosene.

Conclusions:

I. Some fuel are petrol.

II. No kerosene is petrol.

III. No petrol is fuel.

IV. Some kerosene are petrol.