( ( ( The ( ( most important ) ( renewable sources ) ) ) ( of energy ) ) ( ( ( ( are ( hydropower ( with ( ( a share ) ( of ( ( ( ( 13.4 % ) , ) and ) ( the ( so-called ( `` ( other ( energy ( sources '' ) ) ) ) ) ) ) ) ) ) ) ) ( -LRB- ( especially ( biomass -RRB- ) ) ) ) ( with ( ( about 13 ) % ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (ADJP (RBS most) (JJ important)) (JJ renewable) (NNS sources)) (PP (IN of) (NP (NN energy)))) (VP (VBP are) (ADJP (JJ hydropower) (PP (IN with) (NP (NP (DT a) (NN share)) (PP (IN of) (NP (NP (CD 13.4) (NN %)) (, ,) (CC and) (NP (DT the) (JJ so-called) (`` ``) (JJ other) (NN energy) (NNS sources) ('' ''))))))) (PRN (-LRB- -LRB-) (ADVP (RB especially)) (ADJP (JJ biomass)) (-RRB- -RRB-)) (PP (IN with) (NP (QP (RB about) (CD 13)) (NN %)))) (. .)))
The most important renewable sources of energy are hydropower with a share of 13.4%, and the so-called &quot;other energy sources&quot; (especially biomass) with about 13%.
(ROOT (S (NP (NNP Hydropower)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (RB widely) (VBN used)) (NN form)) (PP (IN of) (NP (NP (JJ renewable) (NN energy)) (PP (IN in) (NP (DT the) (NN world))))))) (. .)))