Pat Buchanan followed immediately behind, handing out smallpox-infected blankets and bottles of whiskey.
( ( Pat Buchanan ) ( ( ( ( followed ( immediately behind ) ) , ) ( ( handing out ) ( ( smallpox-infected ( ( blankets and ) bottles ) ) ( of whiskey ) ) ) ) . ) )
(ROOT (S (NP (NNP Pat) (NNP Buchanan)) (VP (VBD followed) (ADVP (RB immediately) (RB behind)) (, ,) (S (VP (VBG handing) (PRT (RP out)) (NP (NP (JJ smallpox-infected) (NNS blankets) (CC and) (NNS bottles)) (PP (IN of) (NP (NN whiskey))))))) (. .)))
Pat Buchanan, being behind, was trying to reach who was in front of him.
( ( Pat Buchanan ) ( , ( ( being behind ) ( , ( ( was ( trying ( to ( reach ( who ( was ( in ( front ( of him ) ) ) ) ) ) ) ) ) . ) ) ) ) )
(ROOT (S (NP (NNP Pat) (NNP Buchanan)) (, ,) (S (VP (VBG being) (ADVP (RB behind)))) (, ,) (VP (VBD was) (VP (VBG trying) (S (VP (TO to) (VP (VB reach) (SBAR (WHNP (WP who)) (S (VP (VBD was) (PP (IN in) (NP (NP (NN front)) (PP (IN of) (NP (PRP him))))))))))))) (. .)))