( I ( then ( ( ( ( ( ( ( ( inserted ( the ( pharyngeal tube ) ) ) ( in ( the mouth ) ) ) ( -LRB- ( ( not ( in ( the pharynx ) ) ) -RRB- ) ) ) , ) ( turned ( on ( the oxygen ) ) ) ) and ) ( started ( working ( the ( respiratory valve ) ) ) ) ) . ) ) )
(ROOT (S (NP (PRP I)) (ADVP (RB then)) (VP (VP (VBD inserted) (NP (DT the) (JJ pharyngeal) (NN tube)) (PP (IN in) (NP (DT the) (NN mouth))) (PRN (-LRB- -LRB-) (PP (RB not) (IN in) (NP (DT the) (NN pharynx))) (-RRB- -RRB-))) (, ,) (VP (VBD turned) (PP (IN on) (NP (DT the) (NN oxygen)))) (CC and) (VP (VBD started) (S (VP (VBG working) (NP (DT the) (JJ respiratory) (NN valve)))))) (. .)))
I then inserted the pharyngeal tube in the mouth (not in the pharynx), turned on the oxygen and started working the respiratory valve.
(ROOT (S (NP (DT The) (NN pharynx)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN of) (NP (NP (DT the) (NN tube)) (SBAR (WHNP (WDT that)) (S (VP (VBZ joins) (NP (DT the) (NN mouth)) (PP (TO to) (NP (DT the) (ADJP (JJ digestive) (CC and) (JJ respiratory)) (NNS tracts)))))))))) (. .)))