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))))))))) (. .)))
If you'd like to experience the city sights taking the bus is the best mode of transportation, though taking the subway is faster. 
( ( If ( you ( 'd ( like ( to ( ( experience ( the ( city sights ) ) ) ( taking ( the bus ) ) ) ) ) ) ) ) ( ( ( ( is ( ( the ( best mode ) ) ( of transportation ) ) ) , ) ( though ( ( taking ( the subway ) ) ( is faster ) ) ) ) . ) )
(ROOT (S (SBAR (IN If) (S (NP (PRP you)) (VP (MD 'd) (VP (VB like) (S (VP (TO to) (VP (VB experience) (NP (DT the) (NN city) (NNS sights)) (S (VP (VBG taking) (NP (DT the) (NN bus))))))))))) (VP (VBZ is) (NP (NP (DT the) (JJS best) (NN mode)) (PP (IN of) (NP (NN transportation)))) (, ,) (SBAR (IN though) (S (S (VP (VBG taking) (NP (DT the) (NN subway)))) (VP (VBZ is) (ADJP (JJR faster)))))) (. .)))