Um, also a pothead, but not really so consumed with it necessarily.
( Um ( , ( also ( ( a ( ( ( pothead , ) but ) ( not ( really so ) ) ) ) ( ( ( consumed ( with it ) ) necessarily ) . ) ) ) ) )
(ROOT (S (NP (NNP Um)) (, ,) (ADVP (RB also)) (NP (DT a) (ADJP (ADJP (JJ pothead)) (, ,) (CC but) (ADJP (RB not) (RB really) (RB so)))) (VP (VBD consumed) (PP (IN with) (NP (PRP it))) (ADVP (RB necessarily))) (. .)))
They never smoked pot.
( They ( never ( ( smoked pot ) . ) ) )
(ROOT (S (NP (PRP They)) (ADVP (RB never)) (VP (VBD smoked) (NP (NN pot))) (. .)))