( ( ( Properties ( of ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( matter , ) ( fluid mechanics ) ) , ) and ) ( ( ( thermal physics ) ( -LRB- ( 1 -RRB- ) ) ) Heat ) ) , ) temperature ) , ) and ) ( ( thermodynamics ( -LRB- ( 2 -RRB- ) ) ) Pressure ) ) , ) density ) , ) and ) ( the structure ) ) ) ) ( of ( matter 5 ) ) ) . )
(ROOT (NP (NP (NNP Properties)) (PP (IN of) (NP (NP (NN matter)) (, ,) (NP (JJ fluid) (NNS mechanics)) (, ,) (CC and) (NP (NP (JJ thermal) (NNS physics)) (PRN (-LRB- -LRB-) (NP (CD 1)) (-RRB- -RRB-)) (NP (NNP Heat))) (, ,) (NP (NN temperature)) (, ,) (CC and) (NP (NP (NNS thermodynamics)) (PRN (-LRB- -LRB-) (NP (CD 2)) (-RRB- -RRB-)) (NP (NN Pressure))) (, ,) (NP (NN density)) (, ,) (CC and) (NP (DT the) (NN structure)))) (PP (IN of) (NP (NN matter) (CD 5))) (. .)))
Properties of matter, fluid mechanics, and thermal physics (1) Heat, temperature, and thermodynamics (2) Pressure, density, and the structure of matter 5.
(ROOT (S (NP (NP (NNP Density)) (PP (IN of) (NP (NN matter)))) (VP (VBZ reflects) (SBAR (WHADVP (WRB how) (RB closely)) (S (VP (VBD packed) (SBAR (S (NP (NP (DT the) (NNS particles)) (PP (IN of) (NP (NN matter)))) (VP (VBP are)))))))) (. .)))