( BURN ( ( ( ( ( ( ( ( ( shows ( the ( assembled ( bomb firing ) ) ) ) ( with ( ( the ( Temperature ( vs ( Time graph ) ) ) ) ( in ( the background ) ) ) ) ) , ) and ) ( shows ( extrapolation ( of ( the pre ) ) ) ) ) - ) and ) ( ( post-fire lines ) ( to ( obtain ( the ( temperature change ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP BURN)) (VP (VP (VBZ shows) (NP (DT the) (VBN assembled) (NN bomb) (NN firing)) (PP (IN with) (NP (NP (DT the) (NNP Temperature) (NNP vs) (NNP Time) (NN graph)) (PP (IN in) (NP (DT the) (NN background)))))) (, ,) (CC and) (VP (VBZ shows) (NP (NP (NN extrapolation)) (PP (IN of) (NP (DT the) (NN pre))))) (: -) (CC and) (VP (NP (JJ post-fire) (NNS lines)) (S (VP (TO to) (VP (VB obtain) (NP (DT the) (NN temperature) (NN change))))))) (. .)))
BURN shows the assembled bomb firing with the Temperature vs Time graph in the background, and shows extrapolation of the pre- and post-fire lines to obtain the temperature change.
(ROOT (S (NP (NNP Line) (NNS graphs)) (VP (VBP are) (ADJP (RB especially) (JJ useful) (PP (IN for) (S (VP (VBG showing) (NP (NNS changes)) (PP (IN over) (NP (NN time)))))))) (. .)))