sentence1_binary_parse: ( ( My lessons ) ( ( will ( ( give ( ( only ( a ( brief overview ) ) ) ( of ( objects ( in ( our ( Solar System ) ) ) ) ) ) ) ( because ( ( `` ( planetology '' ) ) ( is ( ( ( a specialty ) ( of ( its own ) ) ) ( involving ( ( not only ) ( ( astronomy ( but also ) ) ( chemistry ( , ( ( geology and ) meteorology ) ) ) ) ) ) ) ) ) ) ) ) . ) )
sentence1_parse: (ROOT (S (NP (PRP$ My) (NNS lessons)) (VP (MD will) (VP (VB give) (NP (NP (RB only) (DT a) (JJ brief) (NN overview)) (PP (IN of) (NP (NP (NNS objects)) (PP (IN in) (NP (PRP$ our) (NNP Solar) (NNP System)))))) (SBAR (IN because) (S (NP (`` ``) (NN planetology) ('' '')) (VP (VBZ is) (NP (NP (DT a) (NN specialty)) (PP (IN of) (NP (PRP$ its) (JJ own))) (VP (VBG involving) (NP (CONJP (RB not) (JJ only)) (NP (NN astronomy)) (CONJP (CC but) (RB also)) (NP (NN chemistry) (, ,) (NN geology) (CC and) (NN meteorology)))))))))) (. .)))
sentence1: My lessons will give only a brief overview of objects in our Solar System because &quot;planetology&quot; is a specialty of its own involving not only astronomy but also chemistry, geology and meteorology.
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.