Q: I am verifying the answers generated by an automatic system to the following question: what are rocker arms? Suggested answer: One end is raised and lowered by a rotating lobe of the camshaft (either directly or via a tappet (lifter) and pushrod ) while the other end acts on the valve stem . Should I validate this answer?

pick from the following.
(A). No.
(B). Yes.
A:
(A).