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))) (. .)))
Jon never looked at Barnam.
( Jon ( never ( ( looked ( at Barnam ) ) . ) ) )
(ROOT (S (NP (NNP Jon)) (ADVP (RB never)) (VP (VBD looked) (PP (IN at) (NP (NNP Barnam)))) (. .)))