As Jon looked at him, Barnam puffed out his chest.
( ( As ( Jon ( looked ( at him ) ) ) ) ( , ( Barnam ( ( ( puffed out ) ( his chest ) ) . ) ) ) )
(ROOT (S (SBAR (IN As) (S (NP (NNP Jon)) (VP (VBD looked) (PP (IN at) (NP (PRP him)))))) (, ,) (NP (NNP Barnam)) (VP (VBD puffed) (PRT (RP out)) (NP (PRP$ his) (NN chest))) (. .)))
Barnam wanted to impress Jon.
( Barnam ( ( wanted ( to ( impress Jon ) ) ) . ) )
(ROOT (S (NP (NNP Barnam)) (VP (VBD wanted) (S (VP (TO to) (VP (VB impress) (NP (NNP Jon)))))) (. .)))