( ( Cactus spines ) ( ( are ( ( structural adaptations ) ( that ( ( provide ( ( shade and ) protection ) ) ( from herbivores ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Cactus) (NNS spines)) (VP (VBP are) (NP (NP (JJ structural) (NNS adaptations)) (SBAR (WHNP (WDT that)) (S (VP (VBP provide) (NP (NN shade) (CC and) (NN protection)) (PP (IN from) (NP (NNS herbivores)))))))) (. .)))
Cactus spines are structural adaptations that provide shade and protection from herbivores.
(ROOT (S (NP (NP (DT The) (NNS spines)) (PP (IN of) (NP (DT a) (NN cactus)))) (VP (VBP help) (SBAR (S (NP (PRP it)) (VP (VBP survive) (SBAR (IN because) (S (NP (NNS spines)) (VP (VB protect) (NP (DT the) (NN cactus)) (PP (IN from) (NP (NNS animals)))))))))) (. .)))