Denied headache, sinus tenderness, rhinorrhea or congestion.
 Patient has headaches
(ROOT (NP (NP (VBN Denied) (NN headache)) (, ,) (NP (NN sinus) (NN tenderness)) (, ,) (NP (NP (NN rhinorrhea)) (CC or) (NP (NN congestion))) (. .)))
(ROOT (S (NP (NN Patient)) (VP (VBZ has) (NP (NNS headaches)))))
( ( ( ( ( ( Denied headache ) , ) ( sinus tenderness ) ) , ) ( ( rhinorrhea or ) congestion ) ) . )
( Patient ( has headaches ) )