If $a(n) + b(n) \in \Omega(p(n))$, then $a(n) \in \Omega(p(n)) \vee b(n)\in \Omega(p(n))$.

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If $a(n) + b(n) \in \Omega(p(n))$, then $a(n) \in \Omega(p(n)) \vee b(n)\in \Omega(p(n))$.

I believe this statement to be false. Am I wrong? What functions should I use to show a disproof or a proof?