The m??tro (subway) is the fastest way to move around the city, but the buses, both in the capital and the other big towns, are best for taking in the sights.
( ( ( ( ( ( ( The ( m ( ?? tro ) ) ) ( -LRB- ( subway -RRB- ) ) ) ( is ( ( the ( fastest way ) ) ( to ( ( move around ) ( the city ) ) ) ) ) ) , ) but ) ( ( ( ( ( the buses ) , ) ( both ( in ( ( ( the capital ) and ) ( the ( other ( big towns ) ) ) ) ) ) ) , ) ( are ( best ( for ( taking ( in ( the sights ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (NN m) (NN ??) (NN tro)) (PRN (-LRB- -LRB-) (NP (NN subway)) (-RRB- -RRB-))) (VP (VBZ is) (NP (NP (DT the) (JJS fastest) (NN way)) (SBAR (S (VP (TO to) (VP (VB move) (PRT (RP around)) (NP (DT the) (NN city))))))))) (, ,) (CC but) (S (NP (NP (DT the) (NNS buses)) (, ,) (NP (NP (DT both)) (PP (IN in) (NP (NP (DT the) (NN capital)) (CC and) (NP (DT the) (JJ other) (JJ big) (NNS towns))))) (, ,)) (VP (VBP are) (ADJP (JJS best) (PP (IN for) (S (VP (VBG taking) (PP (IN in) (NP (DT the) (NNS sights))))))))) (. .)))
Taking the subway is a good way to experience big city life. 
( ( Taking ( the subway ) ) ( ( is ( a ( good ( way ( to ( experience ( big ( city life ) ) ) ) ) ) ) ) . ) )
(ROOT (S (S (VP (VBG Taking) (NP (DT the) (NN subway)))) (VP (VBZ is) (NP (DT a) (JJ good) (NN way) (S (VP (TO to) (VP (VB experience) (NP (JJ big) (NN city) (NN life))))))) (. .)))