Unsurprisingly, golfing is prohibitively expensive.
( Unsurprisingly ( , ( golfing ( ( is ( prohibitively expensive ) ) . ) ) ) )
(ROOT (S (ADVP (RB Unsurprisingly)) (, ,) (NP (NN golfing)) (VP (VBZ is) (ADJP (RB prohibitively) (JJ expensive))) (. .)))
Golf is a cheap past time so lots of people do it.
( Golf ( ( ( is ( a ( cheap ( past time ) ) ) ) ( so ( ( lots ( of people ) ) ( do it ) ) ) ) . ) )
(ROOT (S (NP (NNP Golf)) (VP (VBZ is) (NP (DT a) (JJ cheap) (JJ past) (NN time)) (SBAR (IN so) (S (NP (NP (NNS lots)) (PP (IN of) (NP (NNS people)))) (VP (VBP do) (NP (PRP it)))))) (. .)))