sentence1_binary_parse: ( ( Some astronomers ) ( ( ( focus ( their research ) ) ( on ( ( ( objects ( in ( our ( solar system ) ) ) ) , ) ( such ( as ( ( ( the sun ) or ) planets ) ) ) ) ) ) . ) )
sentence1_parse: (ROOT (S (NP (DT Some) (NNS astronomers)) (VP (VBP focus) (NP (PRP$ their) (NN research)) (PP (IN on) (NP (NP (NNS objects)) (PP (IN in) (NP (PRP$ our) (JJ solar) (NN system))) (, ,) (PP (JJ such) (IN as) (NP (NP (DT the) (NN sun)) (CC or) (NP (NNS planets))))))) (. .)))
sentence1: Some astronomers focus their research on objects in our solar system, such as the sun or planets.
sentence2_parse: (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))) (. .)))
sentence2: Only the sun in our solar system give off their own light.