( ( When ( I ( molt ( for ( the ( last time ) ) ) ) ) ) ( , ( I ( ( use ( ( a plant ) ( stem ( to ( ( ( climb out ) ( of ( the water ) ) ) ( up ( into ( ( ( the sunlight ) and ) ( fresh air ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (PRP I)) (VP (VBP molt) (PP (IN for) (NP (DT the) (JJ last) (NN time)))))) (, ,) (NP (PRP I)) (VP (VBP use) (SBAR (S (NP (DT a) (NN plant)) (VP (VBP stem) (S (VP (TO to) (VP (VB climb) (PRT (RP out)) (PP (IN of) (NP (DT the) (NN water))) (ADVP (RB up) (PP (IN into) (NP (NP (DT the) (NN sunlight)) (CC and) (NP (JJ fresh) (NN air)))))))))))) (. .)))
When I molt for the last time, I use a plant stem to climb out of the water up into the sunlight and fresh air.
(ROOT (S (NP (DT The) (NN stem)) (VP (VBZ is) (NP (NP (DT the) (JJ basic) (NN structure)) (SBAR (WHNP (WDT that)) (S (VP (VBZ holds) (S (NP (NNS plants)) (ADJP (JJ upright))) (, ,) (S (VP (VBG allowing) (NP (NNS plants)) (S (VP (TO to) (VP (VB get) (NP (NP (DT the) (NN sunlight) (CC and) (NN air)) (SBAR (S (NP (PRP they)) (VP (VBP need))))))))))))))) (. .)))