Take the following as truth: Concurrently, legislation has been proposed in previous and current Congresses that would require simultaneous reductions of multiple emissions, and the Administration's National Energy Policy recommends the establishment of mandatory reduction targets for emissions of three main  sulfur dioxide, nitrogen oxides, and mercury.
Then the following statement: "The legislation proposed in Congress is primarily focused on reducing emissions of mercury." is true, false, or inconclusive?
Answer: Inconclusive