( ( ( Throat ( swab Rub ) ) ( ( ( dry sterile ) swab ) ( over ( ( ( posterior pharynx ) or ) ( both ( tonsillar fossae ) ) ) ) ) ) . )
(ROOT (NP (NP (NNP Throat) (NNP swab) (NNP Rub)) (NP (NP (ADJP (JJ dry) (JJ sterile)) (NN swab)) (PP (IN over) (NP (NP (NN posterior) (NN pharynx)) (CC or) (NP (DT both) (NN tonsillar) (NN fossae))))) (. .)))
Throat swab Rub dry sterile swab over posterior pharynx or both tonsillar fossae.
(ROOT (S (NP (NN Digestion) (CC and) (NN respiration)) (VP (VP (VBP are) (DT both) (ADJP (JJ facilitated) (PP (IN by) (NP (DT the) (NN pharynx))))) (, ,) (ADVP (RBR more) (RB commonly)) (VP (VBD called) (NP (DT the) (NN throat)))) (. .)))