The islands' names refer to the different force winds hitting them, not their topography.
( ( ( The ( islands ' ) ) names ) ( ( refer ( to ( ( the ( different ( force winds ) ) ) ( hitting ( ( ( them , ) not ) ( their topography ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNS islands) (POS ')) (NNS names)) (VP (VBP refer) (PP (TO to) (NP (NP (DT the) (JJ different) (NN force) (NNS winds)) (VP (VBG hitting) (NP (NP (PRP them)) (, ,) (RB not) (NP (PRP$ their) (NN topography))))))) (. .)))
The way the islands are called is based on the force of the wins they experience.
( ( ( The way ) ( ( the islands ) ( are called ) ) ) ( ( is ( based ( on ( ( the force ) ( of ( ( the wins ) ( they experience ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN way)) (SBAR (S (NP (DT the) (NNS islands)) (VP (VBP are) (VP (VBN called)))))) (VP (VBZ is) (VP (VBN based) (PP (IN on) (NP (NP (DT the) (NN force)) (PP (IN of) (NP (NP (DT the) (NNS wins)) (SBAR (S (NP (PRP they)) (VP (VBP experience)))))))))) (. .)))