QUEST LETTER WITH OPTIONS

[Coutter 3]

Hi guys, i need a letter quest with multi options,

how can i do it out of this quest: 

quest daily begin
    state start begin
        when login begin
            if get_global_time() > pc.getqf(tempo) then
                set_state(info)
            end
        end
    end
 
    state info begin -- info about the mission
        when letter begin
            send_letter("")
        end -- letter sent
         
        when button or info begin
            say_title("")
            say("")
            say("")
            say("")
            say("")
            say("")
        end -- when closed
    end -- INFO closed
end -- closed QUEST