Based on the premise "1 The Clear Skies Act would cut sulfur dioxide (SO2) emissions by 73 percent, from current emissions of 11 million tons to caps of 4.5 million tons in 2010 and 3 million tons in 2018.", can we conclude the hypothesis "The Clear Skies Act would stop Global Warming." is true (see options)?

Select from:
-- yes.
-- it is not possible to tell.
-- no.
it is not possible to tell