( ( ( Reverse ( transcriptase-polymerase ( chain reaction ) ) ) ( for ( morbillivirus ( P ( and ( N genes ) ) ) ) ) ) ( ( was positive ) . ) )
(ROOT (S (NP (NP (JJ Reverse) (JJ transcriptase-polymerase) (NN chain) (NN reaction)) (PP (IN for) (NP (JJ morbillivirus) (NNP P) (CC and) (NNP N) (NNS genes)))) (VP (VBD was) (ADJP (JJ positive))) (. .)))
Reverse transcriptase-polymerase chain reaction for morbillivirus P and N genes was positive.
(ROOT (S (NP (DT The) (NN polymerase) (NN chain) (NN reaction)) (VP (VBZ is) (NP (NP (DT a) (NN way)) (PP (IN of) (S (VP (VBG making) (NP (NP (NNS copies)) (PP (IN of) (NP (DT a) (NN gene))))))))) (. .)))