I have another ques. regarding Certified Wood-

Which of the following FSC products can count towards the Certified Wood criteria ? (Choose 2)
Guard rails
Window frame
Building tenant printing paper
Basboard
Scaffolding

I assume the answer to be scaffolding and guard rails, since wood products purchased for temporary use may be included in the calculation. Am I correct in assuming so? The answers I was given were basboard and window frame, but I think this is incorrect.