title "ACMSE Survey"
question "Are you an author?", 1 do
  response "Yes" do @author = true  end 
  response "No"  do @author = false end
end
question "What type of paper?" do
  condition { @author }
  response "Regular" do @p = :rp end
  response "Student" do @p = :sp end
  response "Work-in-progress" do @p = :wp end
  action { @time = if @p == :wp : 15 else 25 end }
end
result "How long is the presentation?" do
  condition { @author }
  alternative "25" do 
    @p == :rp || @p == :sp 
  end
  alternative "15" do @p == :wp end
end