Which of the following values for \(a\) and \(b\) provide a counterexample to the statement "If 4 divides \(a+b\), then 4 divides \(a\) or 4 divides \(b\)."

W) \(a=5\) and \(b=7\)

X) \(a=5\) and \(b=6\)

Y) \(a=4\) and \(b=8\)

Z) \(a=4\) and \(b=6\)
W) \(a=5\) AND \(b=7\)