He sat a short distance from them, his eyes on Jon.
( He ( ( ( ( sat ( a ( short distance ) ) ) ( from ( ( them , ) ( his eyes ) ) ) ) ( on Jon ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD sat) (NP (DT a) (JJ short) (NN distance)) (PP (IN from) (NP (NP (PRP them)) (, ,) (NP (PRP$ his) (NNS eyes)))) (PP (IN on) (NP (NNP Jon)))) (. .)))
He was far away looking at Jon.
( He ( ( ( was ( far away ) ) ( looking ( at Jon ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD was) (ADVP (RB far) (RB away)) (VP (VBG looking) (PP (IN at) (NP (NNP Jon))))) (. .)))