Again, Jarrah pitched the nose of the aircraft up and down.
( Again ( , ( Jarrah ( ( ( pitched ( ( the nose ) ( of ( the aircraft ) ) ) ) ( ( up and ) down ) ) . ) ) ) )
(ROOT (S (ADVP (RB Again)) (, ,) (NP (NNP Jarrah)) (VP (VBD pitched) (NP (NP (DT the) (NN nose)) (PP (IN of) (NP (DT the) (NN aircraft)))) (ADVP (RB up) (CC and) (RB down))) (. .)))
Jarrah pitched the aircraft nose up and down. 
( Jarrah ( ( ( pitched ( the ( aircraft nose ) ) ) ( ( up and ) down ) ) . ) )
(ROOT (S (NP (NNP Jarrah)) (VP (VBD pitched) (NP (DT the) (NN aircraft) (NN nose)) (ADVP (RB up) (CC and) (RB down))) (. .)))