( ( ( ( ( Some objects ) , ) ( such ( as ( the sun ) ) ) ) , ) ( ( ( give off ) ( their ( own ( their ( own light ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT Some) (NNS objects)) (, ,) (PP (JJ such) (IN as) (NP (DT the) (NN sun))) (, ,)) (VP (VBP give) (PRT (RP off)) (S (NP (PRP$ their)) (VP (VB own) (NP (PRP$ their) (JJ own) (NN light))))) (. .)))
Some objects, such as the sun, give off their own their own light.
(ROOT (S (NP (NP (RB Only) (DT the) (NN sun)) (PP (IN in) (NP (PRP$ our) (JJ solar) (NN system)))) (VP (VBP give) (PRT (RP off)) (NP (PRP$ their) (JJ own) (NN light))) (. .)))
Only the sun in our solar system give off their own light.