The patient has a [** Location **]us history of overdose on Dextromethorphan requiring hospitalization.
 The patient has never consumed cough medicine. 
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ has) (NP (DT a) (-LRB- -LSB-) (SYM **) (NNP Location) (X (SYM **)) (-RRB- -RSB-) (PRN (S (NP (PRP us)) (NP (NP (NN history)) (PP (IN of) (NP (NN overdose))) (PP (IN on) (NP (NP (NNP Dextromethorphan)) (VP (VBG requiring) (NP (NN hospitalization)))))))))) (. .)))
(ROOT (S (NP (DT The) (NN patient)) (VP (VBZ has) (ADVP (RB never)) (VP (VBN consumed) (NP (NN cough) (NN medicine)))) (. .)))
( ( The patient ) ( ( has ( a ( -LSB- ( ** ( ( ( Location ** ) -RSB- ) ( us ( ( history ( of overdose ) ) ( on ( Dextromethorphan ( requiring hospitalization ) ) ) ) ) ) ) ) ) ) . ) )
( ( The patient ) ( ( ( has never ) ( consumed ( cough medicine ) ) ) . ) )