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 from the statements.

Statements:

1. No powder is a solid.

2. All lotions are solids.

3. All gases are lotions. 

Conclusions:

I. No solid is a gas.

II. No gas is a powder.

III. No lotion is a powder.

IV. Some powders are lotions.