At a certain temperature, K = 8.5 x 10^-3 for the reaction: NH4HS(s) ⇌ NH3(g) + H2S(g) Which of the following statements is true about the reaction mixture at this temperature? Option 1: The reaction mixture contains mostly NH4HS with very little NH3 and H2S. Option 2: The reaction mixture contains mostly NH3 and H2S with very little NH4HS. Option 3: The reaction mixture contains equal amounts of NH4HS, NH3, and H2S. Option 4: The composition of the reaction mixture cannot be determined based on the given information.