( ( ( The ( world 's ) ) second ) ( ( ( ( tallest ( ( ( mountain and ) arguably ) ( ( ( ( ( its ( ( most ( difficult to ) ) climb ) ) , ) ( 28,250-foot ( ( ( K2 combines ) sheer ) faces ) ) ) and ) ( ( unpredictable weather ) ( in brutal ) ) ) ) ) ( -- ( and ( ( often lethal ) -- ) ) ) ) ( alpine beauty ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN world) (POS 's)) (NN second)) (VP (VBD tallest) (NP (NP (NN mountain)) (CC and) (RB arguably) (NP (NP (PRP$ its) (ADJP (RBS most) (JJ difficult) (S (VP (TO to)))) (NN climb)) (, ,) (NP (JJ 28,250-foot) (ADJP (NP (CD K2) (NNS combines)) (JJ sheer)) (NNS faces)) (CC and) (NP (NP (JJ unpredictable) (NN weather)) (PP (IN in) (NP (JJ brutal)))))) (PRN (: --) (CC and) (ADJP (RB often) (JJ lethal)) (: --)) (VP (VB alpine) (NP (NN beauty)))) (. .)))
The world's second tallest mountain and arguably its most difficult to climb, 28,250-foot K2 combines sheer faces and unpredictable weather in brutal--and often lethal--alpine beauty.
(ROOT (S (NP (NNP K2)) (VP (VBZ is) (NP (NP (DT the) (JJ second) (JJS highest) (NN mountain)) (PP (IN in) (NP (DT the) (NN world)))) (, ,) (PP (IN at) (NP (IN over) (CD 28,000) (NNS feet)))) (. .)))